8385780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{827}}^1$

素因数の和:865

約数の個数: 72

約数和(自身を含む): 25456032

約数和(自身を除く): 17070252

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 827, 845, 1014, 1654, 1690, 2028, 2481, 2535, 3308, 3380, 4135, 4962, 5070, 8270, 9924, 10140, 10751, 12405, 16540, 21502, 24810, 32253, 43004, 49620, 53755, 64506, 107510, 129012, 139763, 161265, 215020, 279526, 322530, 419289, 559052, 645060, 698815, 838578, 1397630, 1677156, 2096445, 2795260, 4192890, 8385780]

約数ペア:

[(1, 8385780), (2, 4192890), (3, 2795260), (4, 2096445), (5, 1677156), (6, 1397630), (10, 838578), (12, 698815), (13, 645060), (15, 559052), (20, 419289), (26, 322530), (30, 279526), (39, 215020), (52, 161265), (60, 139763), (65, 129012), (78, 107510), (130, 64506), (156, 53755), (169, 49620), (195, 43004), (260, 32253), (338, 24810), (390, 21502), (507, 16540), (676, 12405), (780, 10751), (827, 10140), (845, 9924), (1014, 8270), (1654, 5070), (1690, 4962), (2028, 4135), (2481, 3380), (2535, 3308)]