220166960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6829}}^1$

素因数の和:6886

約数の個数: 80

約数和(自身を含む): 569130240

約数和(自身を除く): 348963280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 6829, 8060, 13658, 16120, 27316, 32240, 34145, 54632, 68290, 88777, 109264, 136580, 177554, 211699, 273160, 355108, 423398, 443885, 546320, 710216, 846796, 887770, 1058495, 1420432, 1693592, 1775540, 2116990, 2752087, 3387184, 3551080, 4233980, 5504174, 7102160, 8467960, 11008348, 13760435, 16935920, 22016696, 27520870, 44033392, 55041740, 110083480, 220166960]

約数ペア:

[(1, 220166960), (2, 110083480), (4, 55041740), (5, 44033392), (8, 27520870), (10, 22016696), (13, 16935920), (16, 13760435), (20, 11008348), (26, 8467960), (31, 7102160), (40, 5504174), (52, 4233980), (62, 3551080), (65, 3387184), (80, 2752087), (104, 2116990), (124, 1775540), (130, 1693592), (155, 1420432), (208, 1058495), (248, 887770), (260, 846796), (310, 710216), (403, 546320), (496, 443885), (520, 423398), (620, 355108), (806, 273160), (1040, 211699), (1240, 177554), (1612, 136580), (2015, 109264), (2480, 88777), (3224, 68290), (4030, 54632), (6448, 34145), (6829, 32240), (8060, 27316), (13658, 16120)]