869509680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{278689}}^1$

素因数の和:278718

約数の個数: 80

約数和(自身を含む): 2902835040

約数和(自身を除く): 2033325360

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, 3120, 278689, 557378, 836067, 1114756, 1393445, 1672134, 2229512, 2786890, 3344268, 3622957, 4180335, 4459024, 5573780, 6688536, 7245914, 8360670, 10868871, 11147560, 13377072, 14491828, 16721340, 18114785, 21737742, 22295120, 28983656, 33442680, 36229570, 43475484, 54344355, 57967312, 66885360, 72459140, 86950968, 108688710, 144918280, 173901936, 217377420, 289836560, 434754840, 869509680]

約数ペア:

[(1, 869509680), (2, 434754840), (3, 289836560), (4, 217377420), (5, 173901936), (6, 144918280), (8, 108688710), (10, 86950968), (12, 72459140), (13, 66885360), (15, 57967312), (16, 54344355), (20, 43475484), (24, 36229570), (26, 33442680), (30, 28983656), (39, 22295120), (40, 21737742), (48, 18114785), (52, 16721340), (60, 14491828), (65, 13377072), (78, 11147560), (80, 10868871), (104, 8360670), (120, 7245914), (130, 6688536), (156, 5573780), (195, 4459024), (208, 4180335), (240, 3622957), (260, 3344268), (312, 2786890), (390, 2229512), (520, 1672134), (624, 1393445), (780, 1114756), (1040, 836067), (1560, 557378), (3120, 278689)]