1653721680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{1259}}^1$

素因数の和:1709

約数の個数: 160

約数和(自身を含む): 5538395520

約数和(自身を除く): 3884673840

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, 421, 520, 624, 780, 842, 1040, 1259, 1263, 1560, 1684, 2105, 2518, 2526, 3120, 3368, 3777, 4210, 5036, 5052, 5473, 6295, 6315, 6736, 7554, 8420, 10072, 10104, 10946, 12590, 12630, 15108, 16367, 16419, 16840, 18885, 20144, 20208, 21892, 25180, 25260, 27365, 30216, 32734, 32838, 33680, 37770, 43784, 49101, 50360, 50520, 54730, 60432, 65468, 65676, 75540, 81835, 82095, 87568, 98202, 100720, 101040, 109460, 130936, 131352, 151080, 163670, 164190, 196404, 218920, 245505, 261872, 262704, 302160, 327340, 328380, 392808, 437840, 491010, 530039, 654680, 656760, 785616, 982020, 1060078, 1309360, 1313520, 1590117, 1964040, 2120156, 2650195, 3180234, 3928080, 4240312, 5300390, 6360468, 6890507, 7950585, 8480624, 10600780, 12720936, 13781014, 15901170, 20671521, 21201560, 25441872, 27562028, 31802340, 34452535, 41343042, 42403120, 55124056, 63604680, 68905070, 82686084, 103357605, 110248112, 127209360, 137810140, 165372168, 206715210, 275620280, 330744336, 413430420, 551240560, 826860840, 1653721680]

約数ペア:

[(1, 1653721680), (2, 826860840), (3, 551240560), (4, 413430420), (5, 330744336), (6, 275620280), (8, 206715210), (10, 165372168), (12, 137810140), (13, 127209360), (15, 110248112), (16, 103357605), (20, 82686084), (24, 68905070), (26, 63604680), (30, 55124056), (39, 42403120), (40, 41343042), (48, 34452535), (52, 31802340), (60, 27562028), (65, 25441872), (78, 21201560), (80, 20671521), (104, 15901170), (120, 13781014), (130, 12720936), (156, 10600780), (195, 8480624), (208, 7950585), (240, 6890507), (260, 6360468), (312, 5300390), (390, 4240312), (421, 3928080), (520, 3180234), (624, 2650195), (780, 2120156), (842, 1964040), (1040, 1590117), (1259, 1313520), (1263, 1309360), (1560, 1060078), (1684, 982020), (2105, 785616), (2518, 656760), (2526, 654680), (3120, 530039), (3368, 491010), (3777, 437840), (4210, 392808), (5036, 328380), (5052, 327340), (5473, 302160), (6295, 262704), (6315, 261872), (6736, 245505), (7554, 218920), (8420, 196404), (10072, 164190), (10104, 163670), (10946, 151080), (12590, 131352), (12630, 130936), (15108, 109460), (16367, 101040), (16419, 100720), (16840, 98202), (18885, 87568), (20144, 82095), (20208, 81835), (21892, 75540), (25180, 65676), (25260, 65468), (27365, 60432), (30216, 54730), (32734, 50520), (32838, 50360), (33680, 49101), (37770, 43784)]