1881000000

素因数分解:

$2^6\times 3^2\times 5^6\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:78

約数の個数: 588

約数和(自身を含む): 7738963440

約数和(自身を除く): 5857963440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 25, 30, 32, 33, 36, 38, 40, 44, 45, 48, 50, 55, 57, 60, 64, 66, 72, 75, 76, 80, 88, 90, 95, 96, 99, 100, 110, 114, 120, 125, 132, 144, 150, 152, 160, 165, 171, 176, 180, 190, 192, 198, 200, 209, 220, 225, 228, 240, 250, 264, 275, 285, 288, 300, 304, 320, 330, 342, 352, 360, 375, 380, 396, 400, 418, 440, 450, 456, 475, 480, 495, 500, 528, 550, 570, 576, 600, 608, 625, 627, 660, 684, 704, 720, 750, 760, 792, 800, 825, 836, 855, 880, 900, 912, 950, 960, 990, 1000, 1045, 1056, 1100, 1125, 1140, 1200, 1216, 1250, 1254, 1320, 1368, 1375, 1425, 1440, 1500, 1520, 1584, 1600, 1650, 1672, 1710, 1760, 1800, 1824, 1875, 1881, 1900, 1980, 2000, 2090, 2112, 2200, 2250, 2280, 2375, 2400, 2475, 2500, 2508, 2640, 2736, 2750, 2850, 2880, 3000, 3040, 3125, 3135, 3168, 3300, 3344, 3420, 3520, 3600, 3648, 3750, 3762, 3800, 3960, 4000, 4125, 4180, 4275, 4400, 4500, 4560, 4750, 4800, 4950, 5000, 5016, 5225, 5280, 5472, 5500, 5625, 5700, 6000, 6080, 6250, 6270, 6336, 6600, 6688, 6840, 6875, 7125, 7200, 7500, 7524, 7600, 7920, 8000, 8250, 8360, 8550, 8800, 9000, 9120, 9375, 9405, 9500, 9900, 10000, 10032, 10450, 10560, 10944, 11000, 11250, 11400, 11875, 12000, 12375, 12500, 12540, 13200, 13376, 13680, 13750, 14250, 14400, 15000, 15048, 15200, 15625, 15675, 15840, 16500, 16720, 17100, 17600, 18000, 18240, 18750, 18810, 19000, 19800, 20000, 20064, 20625, 20900, 21375, 22000, 22500, 22800, 23750, 24000, 24750, 25000, 25080, 26125, 26400, 27360, 27500, 28125, 28500, 30000, 30096, 30400, 31250, 31350, 31680, 33000, 33440, 34200, 34375, 35625, 36000, 37500, 37620, 38000, 39600, 40000, 40128, 41250, 41800, 42750, 44000, 45000, 45600, 46875, 47025, 47500, 49500, 50000, 50160, 52250, 52800, 54720, 55000, 56250, 57000, 59375, 60000, 60192, 61875, 62500, 62700, 66000, 66880, 68400, 68750, 71250, 72000, 75000, 75240, 76000, 78375, 79200, 82500, 83600, 85500, 88000, 90000, 91200, 93750, 94050, 95000, 99000, 100000, 100320, 103125, 104500, 106875, 110000, 112500, 114000, 118750, 120000, 120384, 123750, 125000, 125400, 130625, 132000, 136800, 137500, 140625, 142500, 150000, 150480, 152000, 156750, 158400, 165000, 167200, 171000, 171875, 178125, 180000, 187500, 188100, 190000, 198000, 200000, 200640, 206250, 209000, 213750, 220000, 225000, 228000, 235125, 237500, 247500, 250000, 250800, 261250, 264000, 273600, 275000, 281250, 285000, 296875, 300000, 300960, 309375, 313500, 330000, 334400, 342000, 343750, 356250, 360000, 375000, 376200, 380000, 391875, 396000, 412500, 418000, 427500, 440000, 450000, 456000, 470250, 475000, 495000, 500000, 501600, 515625, 522500, 534375, 550000, 562500, 570000, 593750, 600000, 601920, 618750, 627000, 653125, 660000, 684000, 687500, 712500, 750000, 752400, 760000, 783750, 792000, 825000, 836000, 855000, 890625, 900000, 940500, 950000, 990000, 1000000, 1003200, 1031250, 1045000, 1068750, 1100000, 1125000, 1140000, 1175625, 1187500, 1237500, 1254000, 1306250, 1320000, 1368000, 1375000, 1425000, 1500000, 1504800, 1546875, 1567500, 1650000, 1672000, 1710000, 1781250, 1800000, 1881000, 1900000, 1959375, 1980000, 2062500, 2090000, 2137500, 2200000, 2250000, 2280000, 2351250, 2375000, 2475000, 2508000, 2612500, 2671875, 2750000, 2850000, 3000000, 3009600, 3093750, 3135000, 3265625, 3300000, 3420000, 3562500, 3762000, 3800000, 3918750, 3960000, 4125000, 4180000, 4275000, 4500000, 4702500, 4750000, 4950000, 5016000, 5225000, 5343750, 5500000, 5700000, 5878125, 6187500, 6270000, 6531250, 6600000, 6840000, 7125000, 7524000, 7837500, 8250000, 8360000, 8550000, 9000000, 9405000, 9500000, 9796875, 9900000, 10450000, 10687500, 11000000, 11400000, 11756250, 12375000, 12540000, 13062500, 14250000, 15048000, 15675000, 16500000, 17100000, 18810000, 19000000, 19593750, 19800000, 20900000, 21375000, 23512500, 24750000, 25080000, 26125000, 28500000, 29390625, 31350000, 33000000, 34200000, 37620000, 39187500, 41800000, 42750000, 47025000, 49500000, 52250000, 57000000, 58781250, 62700000, 75240000, 78375000, 85500000, 94050000, 99000000, 104500000, 117562500, 125400000, 156750000, 171000000, 188100000, 209000000, 235125000, 313500000, 376200000, 470250000, 627000000, 940500000, 1881000000]

約数ペア:

[(1, 1881000000), (2, 940500000), (3, 627000000), (4, 470250000), (5, 376200000), (6, 313500000), (8, 235125000), (9, 209000000), (10, 188100000), (11, 171000000), (12, 156750000), (15, 125400000), (16, 117562500), (18, 104500000), (19, 99000000), (20, 94050000), (22, 85500000), (24, 78375000), (25, 75240000), (30, 62700000), (32, 58781250), (33, 57000000), (36, 52250000), (38, 49500000), (40, 47025000), (44, 42750000), (45, 41800000), (48, 39187500), (50, 37620000), (55, 34200000), (57, 33000000), (60, 31350000), (64, 29390625), (66, 28500000), (72, 26125000), (75, 25080000), (76, 24750000), (80, 23512500), (88, 21375000), (90, 20900000), (95, 19800000), (96, 19593750), (99, 19000000), (100, 18810000), (110, 17100000), (114, 16500000), (120, 15675000), (125, 15048000), (132, 14250000), (144, 13062500), (150, 12540000), (152, 12375000), (160, 11756250), (165, 11400000), (171, 11000000), (176, 10687500), (180, 10450000), (190, 9900000), (192, 9796875), (198, 9500000), (200, 9405000), (209, 9000000), (220, 8550000), (225, 8360000), (228, 8250000), (240, 7837500), (250, 7524000), (264, 7125000), (275, 6840000), (285, 6600000), (288, 6531250), (300, 6270000), (304, 6187500), (320, 5878125), (330, 5700000), (342, 5500000), (352, 5343750), (360, 5225000), (375, 5016000), (380, 4950000), (396, 4750000), (400, 4702500), (418, 4500000), (440, 4275000), (450, 4180000), (456, 4125000), (475, 3960000), (480, 3918750), (495, 3800000), (500, 3762000), (528, 3562500), (550, 3420000), (570, 3300000), (576, 3265625), (600, 3135000), (608, 3093750), (625, 3009600), (627, 3000000), (660, 2850000), (684, 2750000), (704, 2671875), (720, 2612500), (750, 2508000), (760, 2475000), (792, 2375000), (800, 2351250), (825, 2280000), (836, 2250000), (855, 2200000), (880, 2137500), (900, 2090000), (912, 2062500), (950, 1980000), (960, 1959375), (990, 1900000), (1000, 1881000), (1045, 1800000), (1056, 1781250), (1100, 1710000), (1125, 1672000), (1140, 1650000), (1200, 1567500), (1216, 1546875), (1250, 1504800), (1254, 1500000), (1320, 1425000), (1368, 1375000), (1375, 1368000), (1425, 1320000), (1440, 1306250), (1500, 1254000), (1520, 1237500), (1584, 1187500), (1600, 1175625), (1650, 1140000), (1672, 1125000), (1710, 1100000), (1760, 1068750), (1800, 1045000), (1824, 1031250), (1875, 1003200), (1881, 1000000), (1900, 990000), (1980, 950000), (2000, 940500), (2090, 900000), (2112, 890625), (2200, 855000), (2250, 836000), (2280, 825000), (2375, 792000), (2400, 783750), (2475, 760000), (2500, 752400), (2508, 750000), (2640, 712500), (2736, 687500), (2750, 684000), (2850, 660000), (2880, 653125), (3000, 627000), (3040, 618750), (3125, 601920), (3135, 600000), (3168, 593750), (3300, 570000), (3344, 562500), (3420, 550000), (3520, 534375), (3600, 522500), (3648, 515625), (3750, 501600), (3762, 500000), (3800, 495000), (3960, 475000), (4000, 470250), (4125, 456000), (4180, 450000), (4275, 440000), (4400, 427500), (4500, 418000), (4560, 412500), (4750, 396000), (4800, 391875), (4950, 380000), (5000, 376200), (5016, 375000), (5225, 360000), (5280, 356250), (5472, 343750), (5500, 342000), (5625, 334400), (5700, 330000), (6000, 313500), (6080, 309375), (6250, 300960), (6270, 300000), (6336, 296875), (6600, 285000), (6688, 281250), (6840, 275000), (6875, 273600), (7125, 264000), (7200, 261250), (7500, 250800), (7524, 250000), (7600, 247500), (7920, 237500), (8000, 235125), (8250, 228000), (8360, 225000), (8550, 220000), (8800, 213750), (9000, 209000), (9120, 206250), (9375, 200640), (9405, 200000), (9500, 198000), (9900, 190000), (10000, 188100), (10032, 187500), (10450, 180000), (10560, 178125), (10944, 171875), (11000, 171000), (11250, 167200), (11400, 165000), (11875, 158400), (12000, 156750), (12375, 152000), (12500, 150480), (12540, 150000), (13200, 142500), (13376, 140625), (13680, 137500), (13750, 136800), (14250, 132000), (14400, 130625), (15000, 125400), (15048, 125000), (15200, 123750), (15625, 120384), (15675, 120000), (15840, 118750), (16500, 114000), (16720, 112500), (17100, 110000), (17600, 106875), (18000, 104500), (18240, 103125), (18750, 100320), (18810, 100000), (19000, 99000), (19800, 95000), (20000, 94050), (20064, 93750), (20625, 91200), (20900, 90000), (21375, 88000), (22000, 85500), (22500, 83600), (22800, 82500), (23750, 79200), (24000, 78375), (24750, 76000), (25000, 75240), (25080, 75000), (26125, 72000), (26400, 71250), (27360, 68750), (27500, 68400), (28125, 66880), (28500, 66000), (30000, 62700), (30096, 62500), (30400, 61875), (31250, 60192), (31350, 60000), (31680, 59375), (33000, 57000), (33440, 56250), (34200, 55000), (34375, 54720), (35625, 52800), (36000, 52250), (37500, 50160), (37620, 50000), (38000, 49500), (39600, 47500), (40000, 47025), (40128, 46875), (41250, 45600), (41800, 45000), (42750, 44000)]