31495620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 95961600

約数和(自身を除く): 64465980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 149, 156, 195, 260, 271, 298, 390, 447, 542, 596, 745, 780, 813, 894, 1084, 1355, 1490, 1626, 1788, 1937, 2235, 2710, 2980, 3252, 3523, 3874, 4065, 4470, 5420, 5811, 7046, 7748, 8130, 8940, 9685, 10569, 11622, 14092, 16260, 17615, 19370, 21138, 23244, 29055, 35230, 38740, 40379, 42276, 52845, 58110, 70460, 80758, 105690, 116220, 121137, 161516, 201895, 211380, 242274, 403790, 484548, 524927, 605685, 807580, 1049854, 1211370, 1574781, 2099708, 2422740, 2624635, 3149562, 5249270, 6299124, 7873905, 10498540, 15747810, 31495620]

約数ペア:

[(1, 31495620), (2, 15747810), (3, 10498540), (4, 7873905), (5, 6299124), (6, 5249270), (10, 3149562), (12, 2624635), (13, 2422740), (15, 2099708), (20, 1574781), (26, 1211370), (30, 1049854), (39, 807580), (52, 605685), (60, 524927), (65, 484548), (78, 403790), (130, 242274), (149, 211380), (156, 201895), (195, 161516), (260, 121137), (271, 116220), (298, 105690), (390, 80758), (447, 70460), (542, 58110), (596, 52845), (745, 42276), (780, 40379), (813, 38740), (894, 35230), (1084, 29055), (1355, 23244), (1490, 21138), (1626, 19370), (1788, 17615), (1937, 16260), (2235, 14092), (2710, 11622), (2980, 10569), (3252, 9685), (3523, 8940), (3874, 8130), (4065, 7748), (4470, 7046), (5420, 5811)]