331318520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{7159}}^1$

素因数の和:7272

約数の個数: 64

約数和(自身を含む): 811944000

約数和(自身を除く): 480625480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 89, 104, 130, 178, 260, 356, 445, 520, 712, 890, 1157, 1780, 2314, 3560, 4628, 5785, 7159, 9256, 11570, 14318, 23140, 28636, 35795, 46280, 57272, 71590, 93067, 143180, 186134, 286360, 372268, 465335, 637151, 744536, 930670, 1274302, 1861340, 2548604, 3185755, 3722680, 5097208, 6371510, 8282963, 12743020, 16565926, 25486040, 33131852, 41414815, 66263704, 82829630, 165659260, 331318520]

約数ペア:

[(1, 331318520), (2, 165659260), (4, 82829630), (5, 66263704), (8, 41414815), (10, 33131852), (13, 25486040), (20, 16565926), (26, 12743020), (40, 8282963), (52, 6371510), (65, 5097208), (89, 3722680), (104, 3185755), (130, 2548604), (178, 1861340), (260, 1274302), (356, 930670), (445, 744536), (520, 637151), (712, 465335), (890, 372268), (1157, 286360), (1780, 186134), (2314, 143180), (3560, 93067), (4628, 71590), (5785, 57272), (7159, 46280), (9256, 35795), (11570, 28636), (14318, 23140)]