2490906640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1063}}^1\times {\mathrm{1723}}^1$

素因数の和:2816

約数の個数: 80

約数和(自身を含む): 6141356928

約数和(自身を除く): 3650450288

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1063, 1360, 1723, 2126, 3446, 4252, 5315, 6892, 8504, 8615, 10630, 13784, 17008, 17230, 18071, 21260, 27568, 29291, 34460, 36142, 42520, 58582, 68920, 72284, 85040, 90355, 117164, 137840, 144568, 146455, 180710, 234328, 289136, 292910, 361420, 468656, 585820, 722840, 1171640, 1445680, 1831549, 2343280, 3663098, 7326196, 9157745, 14652392, 18315490, 29304784, 31136333, 36630980, 62272666, 73261960, 124545332, 146523920, 155681665, 249090664, 311363330, 498181328, 622726660, 1245453320, 2490906640]

約数ペア:

[(1, 2490906640), (2, 1245453320), (4, 622726660), (5, 498181328), (8, 311363330), (10, 249090664), (16, 155681665), (17, 146523920), (20, 124545332), (34, 73261960), (40, 62272666), (68, 36630980), (80, 31136333), (85, 29304784), (136, 18315490), (170, 14652392), (272, 9157745), (340, 7326196), (680, 3663098), (1063, 2343280), (1360, 1831549), (1723, 1445680), (2126, 1171640), (3446, 722840), (4252, 585820), (5315, 468656), (6892, 361420), (8504, 292910), (8615, 289136), (10630, 234328), (13784, 180710), (17008, 146455), (17230, 144568), (18071, 137840), (21260, 117164), (27568, 90355), (29291, 85040), (34460, 72284), (36142, 68920), (42520, 58582)]