1491000000

素因数分解:

$2^6\times 3^1\times 5^6\times 7^1\times {\mathrm{71}}^1$

素因数の和:123

約数の個数: 392

約数和(自身を含む): 5714926848

約数和(自身を除く): 4223926848

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 64, 70, 71, 75, 80, 84, 96, 100, 105, 112, 120, 125, 140, 142, 150, 160, 168, 175, 192, 200, 210, 213, 224, 240, 250, 280, 284, 300, 320, 336, 350, 355, 375, 400, 420, 426, 448, 480, 497, 500, 525, 560, 568, 600, 625, 672, 700, 710, 750, 800, 840, 852, 875, 960, 994, 1000, 1050, 1065, 1120, 1136, 1200, 1250, 1344, 1400, 1420, 1491, 1500, 1600, 1680, 1704, 1750, 1775, 1875, 1988, 2000, 2100, 2130, 2240, 2272, 2400, 2485, 2500, 2625, 2800, 2840, 2982, 3000, 3125, 3360, 3408, 3500, 3550, 3750, 3976, 4000, 4200, 4260, 4375, 4544, 4800, 4970, 5000, 5250, 5325, 5600, 5680, 5964, 6000, 6250, 6720, 6816, 7000, 7100, 7455, 7500, 7952, 8000, 8400, 8520, 8750, 8875, 9375, 9940, 10000, 10500, 10650, 11200, 11360, 11928, 12000, 12425, 12500, 13125, 13632, 14000, 14200, 14910, 15000, 15625, 15904, 16800, 17040, 17500, 17750, 18750, 19880, 20000, 21000, 21300, 21875, 22720, 23856, 24000, 24850, 25000, 26250, 26625, 28000, 28400, 29820, 30000, 31250, 31808, 33600, 34080, 35000, 35500, 37275, 37500, 39760, 40000, 42000, 42600, 43750, 44375, 46875, 47712, 49700, 50000, 52500, 53250, 56000, 56800, 59640, 60000, 62125, 62500, 65625, 68160, 70000, 71000, 74550, 75000, 79520, 84000, 85200, 87500, 88750, 93750, 95424, 99400, 100000, 105000, 106500, 109375, 113600, 119280, 120000, 124250, 125000, 131250, 133125, 140000, 142000, 149100, 150000, 159040, 168000, 170400, 175000, 177500, 186375, 187500, 198800, 200000, 210000, 213000, 218750, 221875, 238560, 248500, 250000, 262500, 266250, 280000, 284000, 298200, 300000, 310625, 328125, 340800, 350000, 355000, 372750, 375000, 397600, 420000, 426000, 437500, 443750, 477120, 497000, 500000, 525000, 532500, 568000, 596400, 600000, 621250, 656250, 665625, 700000, 710000, 745500, 750000, 795200, 840000, 852000, 875000, 887500, 931875, 994000, 1000000, 1050000, 1065000, 1109375, 1192800, 1242500, 1312500, 1331250, 1400000, 1420000, 1491000, 1500000, 1553125, 1704000, 1750000, 1775000, 1863750, 1988000, 2100000, 2130000, 2218750, 2385600, 2485000, 2625000, 2662500, 2840000, 2982000, 3000000, 3106250, 3328125, 3500000, 3550000, 3727500, 3976000, 4200000, 4260000, 4437500, 4659375, 4970000, 5250000, 5325000, 5964000, 6212500, 6656250, 7000000, 7100000, 7455000, 7765625, 8520000, 8875000, 9318750, 9940000, 10500000, 10650000, 11928000, 12425000, 13312500, 14200000, 14910000, 15531250, 17750000, 18637500, 19880000, 21000000, 21300000, 23296875, 24850000, 26625000, 29820000, 31062500, 35500000, 37275000, 42600000, 46593750, 49700000, 53250000, 59640000, 62125000, 71000000, 74550000, 93187500, 99400000, 106500000, 124250000, 149100000, 186375000, 213000000, 248500000, 298200000, 372750000, 497000000, 745500000, 1491000000]

約数ペア:

[(1, 1491000000), (2, 745500000), (3, 497000000), (4, 372750000), (5, 298200000), (6, 248500000), (7, 213000000), (8, 186375000), (10, 149100000), (12, 124250000), (14, 106500000), (15, 99400000), (16, 93187500), (20, 74550000), (21, 71000000), (24, 62125000), (25, 59640000), (28, 53250000), (30, 49700000), (32, 46593750), (35, 42600000), (40, 37275000), (42, 35500000), (48, 31062500), (50, 29820000), (56, 26625000), (60, 24850000), (64, 23296875), (70, 21300000), (71, 21000000), (75, 19880000), (80, 18637500), (84, 17750000), (96, 15531250), (100, 14910000), (105, 14200000), (112, 13312500), (120, 12425000), (125, 11928000), (140, 10650000), (142, 10500000), (150, 9940000), (160, 9318750), (168, 8875000), (175, 8520000), (192, 7765625), (200, 7455000), (210, 7100000), (213, 7000000), (224, 6656250), (240, 6212500), (250, 5964000), (280, 5325000), (284, 5250000), (300, 4970000), (320, 4659375), (336, 4437500), (350, 4260000), (355, 4200000), (375, 3976000), (400, 3727500), (420, 3550000), (426, 3500000), (448, 3328125), (480, 3106250), (497, 3000000), (500, 2982000), (525, 2840000), (560, 2662500), (568, 2625000), (600, 2485000), (625, 2385600), (672, 2218750), (700, 2130000), (710, 2100000), (750, 1988000), (800, 1863750), (840, 1775000), (852, 1750000), (875, 1704000), (960, 1553125), (994, 1500000), (1000, 1491000), (1050, 1420000), (1065, 1400000), (1120, 1331250), (1136, 1312500), (1200, 1242500), (1250, 1192800), (1344, 1109375), (1400, 1065000), (1420, 1050000), (1491, 1000000), (1500, 994000), (1600, 931875), (1680, 887500), (1704, 875000), (1750, 852000), (1775, 840000), (1875, 795200), (1988, 750000), (2000, 745500), (2100, 710000), (2130, 700000), (2240, 665625), (2272, 656250), (2400, 621250), (2485, 600000), (2500, 596400), (2625, 568000), (2800, 532500), (2840, 525000), (2982, 500000), (3000, 497000), (3125, 477120), (3360, 443750), (3408, 437500), (3500, 426000), (3550, 420000), (3750, 397600), (3976, 375000), (4000, 372750), (4200, 355000), (4260, 350000), (4375, 340800), (4544, 328125), (4800, 310625), (4970, 300000), (5000, 298200), (5250, 284000), (5325, 280000), (5600, 266250), (5680, 262500), (5964, 250000), (6000, 248500), (6250, 238560), (6720, 221875), (6816, 218750), (7000, 213000), (7100, 210000), (7455, 200000), (7500, 198800), (7952, 187500), (8000, 186375), (8400, 177500), (8520, 175000), (8750, 170400), (8875, 168000), (9375, 159040), (9940, 150000), (10000, 149100), (10500, 142000), (10650, 140000), (11200, 133125), (11360, 131250), (11928, 125000), (12000, 124250), (12425, 120000), (12500, 119280), (13125, 113600), (13632, 109375), (14000, 106500), (14200, 105000), (14910, 100000), (15000, 99400), (15625, 95424), (15904, 93750), (16800, 88750), (17040, 87500), (17500, 85200), (17750, 84000), (18750, 79520), (19880, 75000), (20000, 74550), (21000, 71000), (21300, 70000), (21875, 68160), (22720, 65625), (23856, 62500), (24000, 62125), (24850, 60000), (25000, 59640), (26250, 56800), (26625, 56000), (28000, 53250), (28400, 52500), (29820, 50000), (30000, 49700), (31250, 47712), (31808, 46875), (33600, 44375), (34080, 43750), (35000, 42600), (35500, 42000), (37275, 40000), (37500, 39760)]