87305840

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{349}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 210924000

約数和(自身を除く): 123618160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 59, 80, 106, 118, 212, 236, 265, 295, 349, 424, 472, 530, 590, 698, 848, 944, 1060, 1180, 1396, 1745, 2120, 2360, 2792, 3127, 3490, 4240, 4720, 5584, 6254, 6980, 12508, 13960, 15635, 18497, 20591, 25016, 27920, 31270, 36994, 41182, 50032, 62540, 73988, 82364, 92485, 102955, 125080, 147976, 164728, 184970, 205910, 250160, 295952, 329456, 369940, 411820, 739880, 823640, 1091323, 1479760, 1647280, 2182646, 4365292, 5456615, 8730584, 10913230, 17461168, 21826460, 43652920, 87305840]

約数ペア:

[(1, 87305840), (2, 43652920), (4, 21826460), (5, 17461168), (8, 10913230), (10, 8730584), (16, 5456615), (20, 4365292), (40, 2182646), (53, 1647280), (59, 1479760), (80, 1091323), (106, 823640), (118, 739880), (212, 411820), (236, 369940), (265, 329456), (295, 295952), (349, 250160), (424, 205910), (472, 184970), (530, 164728), (590, 147976), (698, 125080), (848, 102955), (944, 92485), (1060, 82364), (1180, 73988), (1396, 62540), (1745, 50032), (2120, 41182), (2360, 36994), (2792, 31270), (3127, 27920), (3490, 25016), (4240, 20591), (4720, 18497), (5584, 15635), (6254, 13960), (6980, 12508)]