1280451906

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{4637}}^1$

素因数の和:4720

約数の個数: 72

約数和(自身を含む): 3000832380

約数和(自身を除く): 1720380474

約数列:

[1, 2, 3, 6, 9, 18, 23, 29, 46, 58, 69, 87, 138, 174, 207, 261, 414, 522, 529, 667, 1058, 1334, 1587, 2001, 3174, 4002, 4637, 4761, 6003, 9274, 9522, 12006, 13911, 15341, 27822, 30682, 41733, 46023, 83466, 92046, 106651, 134473, 138069, 213302, 268946, 276138, 319953, 403419, 639906, 806838, 959859, 1210257, 1919718, 2420514, 2452973, 3092879, 4905946, 6185758, 7358919, 9278637, 14717838, 18557274, 22076757, 27835911, 44153514, 55671822, 71136217, 142272434, 213408651, 426817302, 640225953, 1280451906]

約数ペア:

[(1, 1280451906), (2, 640225953), (3, 426817302), (6, 213408651), (9, 142272434), (18, 71136217), (23, 55671822), (29, 44153514), (46, 27835911), (58, 22076757), (69, 18557274), (87, 14717838), (138, 9278637), (174, 7358919), (207, 6185758), (261, 4905946), (414, 3092879), (522, 2452973), (529, 2420514), (667, 1919718), (1058, 1210257), (1334, 959859), (1587, 806838), (2001, 639906), (3174, 403419), (4002, 319953), (4637, 276138), (4761, 268946), (6003, 213302), (9274, 138069), (9522, 134473), (12006, 106651), (13911, 92046), (15341, 83466), (27822, 46023), (30682, 41733)]