686172930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1\times {\mathrm{1607}}^1$

素因数の和:1991

約数の個数: 64

約数和(自身を含む): 1691255808

約数和(自身を除く): 1005082878

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 331, 430, 645, 662, 993, 1290, 1607, 1655, 1986, 3214, 3310, 4821, 4965, 8035, 9642, 9930, 14233, 16070, 24105, 28466, 42699, 48210, 69101, 71165, 85398, 138202, 142330, 207303, 213495, 345505, 414606, 426990, 531917, 691010, 1036515, 1063834, 1595751, 2073030, 2659585, 3191502, 5319170, 7978755, 15957510, 22872431, 45744862, 68617293, 114362155, 137234586, 228724310, 343086465, 686172930]

約数ペア:

[(1, 686172930), (2, 343086465), (3, 228724310), (5, 137234586), (6, 114362155), (10, 68617293), (15, 45744862), (30, 22872431), (43, 15957510), (86, 7978755), (129, 5319170), (215, 3191502), (258, 2659585), (331, 2073030), (430, 1595751), (645, 1063834), (662, 1036515), (993, 691010), (1290, 531917), (1607, 426990), (1655, 414606), (1986, 345505), (3214, 213495), (3310, 207303), (4821, 142330), (4965, 138202), (8035, 85398), (9642, 71165), (9930, 69101), (14233, 48210), (16070, 42699), (24105, 28466)]