12901160

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 31190400

約数和(自身を除く): 18289240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 296, 370, 379, 460, 740, 758, 851, 920, 1480, 1516, 1702, 1895, 3032, 3404, 3790, 4255, 6808, 7580, 8510, 8717, 14023, 15160, 17020, 17434, 28046, 34040, 34868, 43585, 56092, 69736, 70115, 87170, 112184, 140230, 174340, 280460, 322529, 348680, 560920, 645058, 1290116, 1612645, 2580232, 3225290, 6450580, 12901160]

約数ペア:

[(1, 12901160), (2, 6450580), (4, 3225290), (5, 2580232), (8, 1612645), (10, 1290116), (20, 645058), (23, 560920), (37, 348680), (40, 322529), (46, 280460), (74, 174340), (92, 140230), (115, 112184), (148, 87170), (184, 70115), (185, 69736), (230, 56092), (296, 43585), (370, 34868), (379, 34040), (460, 28046), (740, 17434), (758, 17020), (851, 15160), (920, 14023), (1480, 8717), (1516, 8510), (1702, 7580), (1895, 6808), (3032, 4255), (3404, 3790)]