677406420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1663}}^1$

素因数の和:1782

約数の個数: 144

約数和(自身を含む): 2151432192

約数和(自身を除く): 1474025772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 73, 90, 93, 124, 146, 155, 180, 186, 219, 279, 292, 310, 365, 372, 438, 465, 558, 620, 657, 730, 876, 930, 1095, 1116, 1314, 1395, 1460, 1663, 1860, 2190, 2263, 2628, 2790, 3285, 3326, 4380, 4526, 4989, 5580, 6570, 6652, 6789, 8315, 9052, 9978, 11315, 13140, 13578, 14967, 16630, 19956, 20367, 22630, 24945, 27156, 29934, 33260, 33945, 40734, 45260, 49890, 51553, 59868, 67890, 74835, 81468, 99780, 101835, 103106, 121399, 135780, 149670, 154659, 203670, 206212, 242798, 257765, 299340, 309318, 364197, 407340, 463977, 485596, 515530, 606995, 618636, 728394, 773295, 927954, 1031060, 1092591, 1213990, 1456788, 1546590, 1820985, 1855908, 2185182, 2319885, 2427980, 3093180, 3641970, 3763369, 4370364, 4639770, 5462955, 7283940, 7526738, 9279540, 10925910, 11290107, 15053476, 18816845, 21851820, 22580214, 33870321, 37633690, 45160428, 56450535, 67740642, 75267380, 112901070, 135481284, 169351605, 225802140, 338703210, 677406420]

約数ペア:

[(1, 677406420), (2, 338703210), (3, 225802140), (4, 169351605), (5, 135481284), (6, 112901070), (9, 75267380), (10, 67740642), (12, 56450535), (15, 45160428), (18, 37633690), (20, 33870321), (30, 22580214), (31, 21851820), (36, 18816845), (45, 15053476), (60, 11290107), (62, 10925910), (73, 9279540), (90, 7526738), (93, 7283940), (124, 5462955), (146, 4639770), (155, 4370364), (180, 3763369), (186, 3641970), (219, 3093180), (279, 2427980), (292, 2319885), (310, 2185182), (365, 1855908), (372, 1820985), (438, 1546590), (465, 1456788), (558, 1213990), (620, 1092591), (657, 1031060), (730, 927954), (876, 773295), (930, 728394), (1095, 618636), (1116, 606995), (1314, 515530), (1395, 485596), (1460, 463977), (1663, 407340), (1860, 364197), (2190, 309318), (2263, 299340), (2628, 257765), (2790, 242798), (3285, 206212), (3326, 203670), (4380, 154659), (4526, 149670), (4989, 135780), (5580, 121399), (6570, 103106), (6652, 101835), (6789, 99780), (8315, 81468), (9052, 74835), (9978, 67890), (11315, 59868), (13140, 51553), (13578, 49890), (14967, 45260), (16630, 40734), (19956, 33945), (20367, 33260), (22630, 29934), (24945, 27156)]