66586640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:720

約数の個数: 80

約数和(自身を含む): 165525120

約数和(自身を除く): 98938480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 71, 76, 80, 95, 142, 152, 190, 284, 304, 355, 380, 568, 617, 710, 760, 1136, 1234, 1349, 1420, 1520, 2468, 2698, 2840, 3085, 4936, 5396, 5680, 6170, 6745, 9872, 10792, 11723, 12340, 13490, 21584, 23446, 24680, 26980, 43807, 46892, 49360, 53960, 58615, 87614, 93784, 107920, 117230, 175228, 187568, 219035, 234460, 350456, 438070, 468920, 700912, 832333, 876140, 937840, 1664666, 1752280, 3329332, 3504560, 4161665, 6658664, 8323330, 13317328, 16646660, 33293320, 66586640]

約数ペア:

[(1, 66586640), (2, 33293320), (4, 16646660), (5, 13317328), (8, 8323330), (10, 6658664), (16, 4161665), (19, 3504560), (20, 3329332), (38, 1752280), (40, 1664666), (71, 937840), (76, 876140), (80, 832333), (95, 700912), (142, 468920), (152, 438070), (190, 350456), (284, 234460), (304, 219035), (355, 187568), (380, 175228), (568, 117230), (617, 107920), (710, 93784), (760, 87614), (1136, 58615), (1234, 53960), (1349, 49360), (1420, 46892), (1520, 43807), (2468, 26980), (2698, 24680), (2840, 23446), (3085, 21584), (4936, 13490), (5396, 12340), (5680, 11723), (6170, 10792), (6745, 9872)]