18810000

素因数分解:

$2^4\times 3^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:64

約数の個数: 300

約数和(自身を含む): 75538320

約数和(自身を除く): 56728320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 25, 30, 33, 36, 38, 40, 44, 45, 48, 50, 55, 57, 60, 66, 72, 75, 76, 80, 88, 90, 95, 99, 100, 110, 114, 120, 125, 132, 144, 150, 152, 165, 171, 176, 180, 190, 198, 200, 209, 220, 225, 228, 240, 250, 264, 275, 285, 300, 304, 330, 342, 360, 375, 380, 396, 400, 418, 440, 450, 456, 475, 495, 500, 528, 550, 570, 600, 625, 627, 660, 684, 720, 750, 760, 792, 825, 836, 855, 880, 900, 912, 950, 990, 1000, 1045, 1100, 1125, 1140, 1200, 1250, 1254, 1320, 1368, 1375, 1425, 1500, 1520, 1584, 1650, 1672, 1710, 1800, 1875, 1881, 1900, 1980, 2000, 2090, 2200, 2250, 2280, 2375, 2475, 2500, 2508, 2640, 2736, 2750, 2850, 3000, 3135, 3300, 3344, 3420, 3600, 3750, 3762, 3800, 3960, 4125, 4180, 4275, 4400, 4500, 4560, 4750, 4950, 5000, 5016, 5225, 5500, 5625, 5700, 6000, 6270, 6600, 6840, 6875, 7125, 7500, 7524, 7600, 7920, 8250, 8360, 8550, 9000, 9405, 9500, 9900, 10000, 10032, 10450, 11000, 11250, 11400, 11875, 12375, 12540, 13200, 13680, 13750, 14250, 15000, 15048, 15675, 16500, 16720, 17100, 18000, 18810, 19000, 19800, 20625, 20900, 21375, 22000, 22500, 22800, 23750, 24750, 25080, 26125, 27500, 28500, 30000, 30096, 31350, 33000, 34200, 35625, 37620, 38000, 39600, 41250, 41800, 42750, 45000, 47025, 47500, 49500, 50160, 52250, 55000, 57000, 61875, 62700, 66000, 68400, 71250, 75240, 78375, 82500, 83600, 85500, 90000, 94050, 95000, 99000, 104500, 106875, 110000, 114000, 123750, 125400, 130625, 142500, 150480, 156750, 165000, 171000, 188100, 190000, 198000, 209000, 213750, 235125, 247500, 250800, 261250, 285000, 313500, 330000, 342000, 376200, 391875, 418000, 427500, 470250, 495000, 522500, 570000, 627000, 752400, 783750, 855000, 940500, 990000, 1045000, 1175625, 1254000, 1567500, 1710000, 1881000, 2090000, 2351250, 3135000, 3762000, 4702500, 6270000, 9405000, 18810000]

約数ペア:

[(1, 18810000), (2, 9405000), (3, 6270000), (4, 4702500), (5, 3762000), (6, 3135000), (8, 2351250), (9, 2090000), (10, 1881000), (11, 1710000), (12, 1567500), (15, 1254000), (16, 1175625), (18, 1045000), (19, 990000), (20, 940500), (22, 855000), (24, 783750), (25, 752400), (30, 627000), (33, 570000), (36, 522500), (38, 495000), (40, 470250), (44, 427500), (45, 418000), (48, 391875), (50, 376200), (55, 342000), (57, 330000), (60, 313500), (66, 285000), (72, 261250), (75, 250800), (76, 247500), (80, 235125), (88, 213750), (90, 209000), (95, 198000), (99, 190000), (100, 188100), (110, 171000), (114, 165000), (120, 156750), (125, 150480), (132, 142500), (144, 130625), (150, 125400), (152, 123750), (165, 114000), (171, 110000), (176, 106875), (180, 104500), (190, 99000), (198, 95000), (200, 94050), (209, 90000), (220, 85500), (225, 83600), (228, 82500), (240, 78375), (250, 75240), (264, 71250), (275, 68400), (285, 66000), (300, 62700), (304, 61875), (330, 57000), (342, 55000), (360, 52250), (375, 50160), (380, 49500), (396, 47500), (400, 47025), (418, 45000), (440, 42750), (450, 41800), (456, 41250), (475, 39600), (495, 38000), (500, 37620), (528, 35625), (550, 34200), (570, 33000), (600, 31350), (625, 30096), (627, 30000), (660, 28500), (684, 27500), (720, 26125), (750, 25080), (760, 24750), (792, 23750), (825, 22800), (836, 22500), (855, 22000), (880, 21375), (900, 20900), (912, 20625), (950, 19800), (990, 19000), (1000, 18810), (1045, 18000), (1100, 17100), (1125, 16720), (1140, 16500), (1200, 15675), (1250, 15048), (1254, 15000), (1320, 14250), (1368, 13750), (1375, 13680), (1425, 13200), (1500, 12540), (1520, 12375), (1584, 11875), (1650, 11400), (1672, 11250), (1710, 11000), (1800, 10450), (1875, 10032), (1881, 10000), (1900, 9900), (1980, 9500), (2000, 9405), (2090, 9000), (2200, 8550), (2250, 8360), (2280, 8250), (2375, 7920), (2475, 7600), (2500, 7524), (2508, 7500), (2640, 7125), (2736, 6875), (2750, 6840), (2850, 6600), (3000, 6270), (3135, 6000), (3300, 5700), (3344, 5625), (3420, 5500), (3600, 5225), (3750, 5016), (3762, 5000), (3800, 4950), (3960, 4750), (4125, 4560), (4180, 4500), (4275, 4400)]