80268240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1979}}^1$

素因数の和:2021

約数の個数: 120

約数和(自身を含む): 269580960

約数和(自身を除く): 189312720

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, 169, 195, 208, 240, 260, 312, 338, 390, 507, 520, 624, 676, 780, 845, 1014, 1040, 1352, 1560, 1690, 1979, 2028, 2535, 2704, 3120, 3380, 3958, 4056, 5070, 5937, 6760, 7916, 8112, 9895, 10140, 11874, 13520, 15832, 19790, 20280, 23748, 25727, 29685, 31664, 39580, 40560, 47496, 51454, 59370, 77181, 79160, 94992, 102908, 118740, 128635, 154362, 158320, 205816, 237480, 257270, 308724, 334451, 385905, 411632, 474960, 514540, 617448, 668902, 771810, 1003353, 1029080, 1234896, 1337804, 1543620, 1672255, 2006706, 2058160, 2675608, 3087240, 3344510, 4013412, 5016765, 5351216, 6174480, 6689020, 8026824, 10033530, 13378040, 16053648, 20067060, 26756080, 40134120, 80268240]

約数ペア:

[(1, 80268240), (2, 40134120), (3, 26756080), (4, 20067060), (5, 16053648), (6, 13378040), (8, 10033530), (10, 8026824), (12, 6689020), (13, 6174480), (15, 5351216), (16, 5016765), (20, 4013412), (24, 3344510), (26, 3087240), (30, 2675608), (39, 2058160), (40, 2006706), (48, 1672255), (52, 1543620), (60, 1337804), (65, 1234896), (78, 1029080), (80, 1003353), (104, 771810), (120, 668902), (130, 617448), (156, 514540), (169, 474960), (195, 411632), (208, 385905), (240, 334451), (260, 308724), (312, 257270), (338, 237480), (390, 205816), (507, 158320), (520, 154362), (624, 128635), (676, 118740), (780, 102908), (845, 94992), (1014, 79160), (1040, 77181), (1352, 59370), (1560, 51454), (1690, 47496), (1979, 40560), (2028, 39580), (2535, 31664), (2704, 29685), (3120, 25727), (3380, 23748), (3958, 20280), (4056, 19790), (5070, 15832), (5937, 13520), (6760, 11874), (7916, 10140), (8112, 9895)]