1640757456

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^2\times {\mathrm{67421}}^1$

素因数の和:67461

約数の個数: 90

約数和(自身を含む): 4972305078

約数和(自身を除く): 3331547622

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 169, 208, 234, 312, 338, 468, 507, 624, 676, 936, 1014, 1352, 1521, 1872, 2028, 2704, 3042, 4056, 6084, 8112, 12168, 24336, 67421, 134842, 202263, 269684, 404526, 539368, 606789, 809052, 876473, 1078736, 1213578, 1618104, 1752946, 2427156, 2629419, 3236208, 3505892, 4854312, 5258838, 7011784, 7888257, 9708624, 10517676, 11394149, 14023568, 15776514, 21035352, 22788298, 31553028, 34182447, 42070704, 45576596, 63106056, 68364894, 91153192, 102547341, 126212112, 136729788, 182306384, 205094682, 273459576, 410189364, 546919152, 820378728, 1640757456]

約数ペア:

[(1, 1640757456), (2, 820378728), (3, 546919152), (4, 410189364), (6, 273459576), (8, 205094682), (9, 182306384), (12, 136729788), (13, 126212112), (16, 102547341), (18, 91153192), (24, 68364894), (26, 63106056), (36, 45576596), (39, 42070704), (48, 34182447), (52, 31553028), (72, 22788298), (78, 21035352), (104, 15776514), (117, 14023568), (144, 11394149), (156, 10517676), (169, 9708624), (208, 7888257), (234, 7011784), (312, 5258838), (338, 4854312), (468, 3505892), (507, 3236208), (624, 2629419), (676, 2427156), (936, 1752946), (1014, 1618104), (1352, 1213578), (1521, 1078736), (1872, 876473), (2028, 809052), (2704, 606789), (3042, 539368), (4056, 404526), (6084, 269684), (8112, 202263), (12168, 134842), (24336, 67421)]