64458940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:467

約数の個数: 96

約数和(自身を含む): 168666624

約数和(自身を除く): 104207684

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 107, 130, 140, 182, 214, 260, 331, 364, 428, 455, 535, 662, 749, 910, 1070, 1324, 1391, 1498, 1655, 1820, 2140, 2317, 2782, 2996, 3310, 3745, 4303, 4634, 5564, 6620, 6955, 7490, 8606, 9268, 9737, 11585, 13910, 14980, 17212, 19474, 21515, 23170, 27820, 30121, 35417, 38948, 43030, 46340, 48685, 60242, 70834, 86060, 97370, 120484, 141668, 150605, 177085, 194740, 247919, 301210, 354170, 460421, 495838, 602420, 708340, 920842, 991676, 1239595, 1841684, 2302105, 2479190, 3222947, 4604210, 4958380, 6445894, 9208420, 12891788, 16114735, 32229470, 64458940]

約数ペア:

[(1, 64458940), (2, 32229470), (4, 16114735), (5, 12891788), (7, 9208420), (10, 6445894), (13, 4958380), (14, 4604210), (20, 3222947), (26, 2479190), (28, 2302105), (35, 1841684), (52, 1239595), (65, 991676), (70, 920842), (91, 708340), (107, 602420), (130, 495838), (140, 460421), (182, 354170), (214, 301210), (260, 247919), (331, 194740), (364, 177085), (428, 150605), (455, 141668), (535, 120484), (662, 97370), (749, 86060), (910, 70834), (1070, 60242), (1324, 48685), (1391, 46340), (1498, 43030), (1655, 38948), (1820, 35417), (2140, 30121), (2317, 27820), (2782, 23170), (2996, 21515), (3310, 19474), (3745, 17212), (4303, 14980), (4634, 13910), (5564, 11585), (6620, 9737), (6955, 9268), (7490, 8606)]