8389680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2689}}^1$

素因数の和:2718

約数の個数: 80

約数和(自身を含む): 28019040

約数和(自身を除く): 19629360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 2689, 3120, 5378, 8067, 10756, 13445, 16134, 21512, 26890, 32268, 34957, 40335, 43024, 53780, 64536, 69914, 80670, 104871, 107560, 129072, 139828, 161340, 174785, 209742, 215120, 279656, 322680, 349570, 419484, 524355, 559312, 645360, 699140, 838968, 1048710, 1398280, 1677936, 2097420, 2796560, 4194840, 8389680]

約数ペア:

[(1, 8389680), (2, 4194840), (3, 2796560), (4, 2097420), (5, 1677936), (6, 1398280), (8, 1048710), (10, 838968), (12, 699140), (13, 645360), (15, 559312), (16, 524355), (20, 419484), (24, 349570), (26, 322680), (30, 279656), (39, 215120), (40, 209742), (48, 174785), (52, 161340), (60, 139828), (65, 129072), (78, 107560), (80, 104871), (104, 80670), (120, 69914), (130, 64536), (156, 53780), (195, 43024), (208, 40335), (240, 34957), (260, 32268), (312, 26890), (390, 21512), (520, 16134), (624, 13445), (780, 10756), (1040, 8067), (1560, 5378), (2689, 3120)]