18089760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{223}}^1$

素因数の和:267

約数の個数: 144

約数和(自身を含む): 61979904

約数和(自身を除く): 43890144

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 169, 195, 208, 223, 240, 260, 312, 338, 390, 416, 446, 480, 507, 520, 624, 669, 676, 780, 845, 892, 1014, 1040, 1115, 1248, 1338, 1352, 1560, 1690, 1784, 2028, 2080, 2230, 2535, 2676, 2704, 2899, 3120, 3345, 3380, 3568, 4056, 4460, 5070, 5352, 5408, 5798, 6240, 6690, 6760, 7136, 8112, 8697, 8920, 10140, 10704, 11596, 13380, 13520, 14495, 16224, 17394, 17840, 20280, 21408, 23192, 26760, 27040, 28990, 34788, 35680, 37687, 40560, 43485, 46384, 53520, 57980, 69576, 75374, 81120, 86970, 92768, 107040, 113061, 115960, 139152, 150748, 173940, 188435, 226122, 231920, 278304, 301496, 347880, 376870, 452244, 463840, 565305, 602992, 695760, 753740, 904488, 1130610, 1205984, 1391520, 1507480, 1808976, 2261220, 3014960, 3617952, 4522440, 6029920, 9044880, 18089760]

約数ペア:

[(1, 18089760), (2, 9044880), (3, 6029920), (4, 4522440), (5, 3617952), (6, 3014960), (8, 2261220), (10, 1808976), (12, 1507480), (13, 1391520), (15, 1205984), (16, 1130610), (20, 904488), (24, 753740), (26, 695760), (30, 602992), (32, 565305), (39, 463840), (40, 452244), (48, 376870), (52, 347880), (60, 301496), (65, 278304), (78, 231920), (80, 226122), (96, 188435), (104, 173940), (120, 150748), (130, 139152), (156, 115960), (160, 113061), (169, 107040), (195, 92768), (208, 86970), (223, 81120), (240, 75374), (260, 69576), (312, 57980), (338, 53520), (390, 46384), (416, 43485), (446, 40560), (480, 37687), (507, 35680), (520, 34788), (624, 28990), (669, 27040), (676, 26760), (780, 23192), (845, 21408), (892, 20280), (1014, 17840), (1040, 17394), (1115, 16224), (1248, 14495), (1338, 13520), (1352, 13380), (1560, 11596), (1690, 10704), (1784, 10140), (2028, 8920), (2080, 8697), (2230, 8112), (2535, 7136), (2676, 6760), (2704, 6690), (2899, 6240), (3120, 5798), (3345, 5408), (3380, 5352), (3568, 5070), (4056, 4460)]