28736760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{109}}^1$

素因数の和:162

約数の個数: 128

約数和(自身を含む): 94248000

約数和(自身を除く): 65511240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 109, 120, 130, 156, 169, 195, 218, 260, 312, 327, 338, 390, 436, 507, 520, 545, 654, 676, 780, 845, 872, 1014, 1090, 1308, 1352, 1417, 1560, 1635, 1690, 2028, 2180, 2197, 2535, 2616, 2834, 3270, 3380, 4056, 4251, 4360, 4394, 5070, 5668, 6540, 6591, 6760, 7085, 8502, 8788, 10140, 10985, 11336, 13080, 13182, 14170, 17004, 17576, 18421, 20280, 21255, 21970, 26364, 28340, 32955, 34008, 36842, 42510, 43940, 52728, 55263, 56680, 65910, 73684, 85020, 87880, 92105, 110526, 131820, 147368, 170040, 184210, 221052, 239473, 263640, 276315, 368420, 442104, 478946, 552630, 718419, 736840, 957892, 1105260, 1197365, 1436838, 1915784, 2210520, 2394730, 2873676, 3592095, 4789460, 5747352, 7184190, 9578920, 14368380, 28736760]

約数ペア:

[(1, 28736760), (2, 14368380), (3, 9578920), (4, 7184190), (5, 5747352), (6, 4789460), (8, 3592095), (10, 2873676), (12, 2394730), (13, 2210520), (15, 1915784), (20, 1436838), (24, 1197365), (26, 1105260), (30, 957892), (39, 736840), (40, 718419), (52, 552630), (60, 478946), (65, 442104), (78, 368420), (104, 276315), (109, 263640), (120, 239473), (130, 221052), (156, 184210), (169, 170040), (195, 147368), (218, 131820), (260, 110526), (312, 92105), (327, 87880), (338, 85020), (390, 73684), (436, 65910), (507, 56680), (520, 55263), (545, 52728), (654, 43940), (676, 42510), (780, 36842), (845, 34008), (872, 32955), (1014, 28340), (1090, 26364), (1308, 21970), (1352, 21255), (1417, 20280), (1560, 18421), (1635, 17576), (1690, 17004), (2028, 14170), (2180, 13182), (2197, 13080), (2535, 11336), (2616, 10985), (2834, 10140), (3270, 8788), (3380, 8502), (4056, 7085), (4251, 6760), (4360, 6591), (4394, 6540), (5070, 5668)]