1680931460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{13441}}^1$

素因数の和:13513

約数の個数: 72

約数和(自身を含む): 3925978056

約数和(自身を除く): 2245046596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 169, 185, 260, 338, 370, 481, 676, 740, 845, 962, 1690, 1924, 2405, 3380, 4810, 6253, 9620, 12506, 13441, 25012, 26882, 31265, 53764, 62530, 67205, 125060, 134410, 174733, 268820, 349466, 497317, 698932, 873665, 994634, 1747330, 1989268, 2271529, 2486585, 3494660, 4543058, 4973170, 6465121, 9086116, 9946340, 11357645, 12930242, 22715290, 25860484, 32325605, 45430580, 64651210, 84046573, 129302420, 168093146, 336186292, 420232865, 840465730, 1680931460]

約数ペア:

[(1, 1680931460), (2, 840465730), (4, 420232865), (5, 336186292), (10, 168093146), (13, 129302420), (20, 84046573), (26, 64651210), (37, 45430580), (52, 32325605), (65, 25860484), (74, 22715290), (130, 12930242), (148, 11357645), (169, 9946340), (185, 9086116), (260, 6465121), (338, 4973170), (370, 4543058), (481, 3494660), (676, 2486585), (740, 2271529), (845, 1989268), (962, 1747330), (1690, 994634), (1924, 873665), (2405, 698932), (3380, 497317), (4810, 349466), (6253, 268820), (9620, 174733), (12506, 134410), (13441, 125060), (25012, 67205), (26882, 62530), (31265, 53764)]