81667560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4027}}^1$

素因数の和:4067

約数の個数: 96

約数和(自身を含む): 265364640

約数和(自身を除く): 183697080

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, 120, 130, 156, 169, 195, 260, 312, 338, 390, 507, 520, 676, 780, 845, 1014, 1352, 1560, 1690, 2028, 2535, 3380, 4027, 4056, 5070, 6760, 8054, 10140, 12081, 16108, 20135, 20280, 24162, 32216, 40270, 48324, 52351, 60405, 80540, 96648, 104702, 120810, 157053, 161080, 209404, 241620, 261755, 314106, 418808, 483240, 523510, 628212, 680563, 785265, 1047020, 1256424, 1361126, 1570530, 2041689, 2094040, 2722252, 3141060, 3402815, 4083378, 5444504, 6282120, 6805630, 8166756, 10208445, 13611260, 16333512, 20416890, 27222520, 40833780, 81667560]

約数ペア:

[(1, 81667560), (2, 40833780), (3, 27222520), (4, 20416890), (5, 16333512), (6, 13611260), (8, 10208445), (10, 8166756), (12, 6805630), (13, 6282120), (15, 5444504), (20, 4083378), (24, 3402815), (26, 3141060), (30, 2722252), (39, 2094040), (40, 2041689), (52, 1570530), (60, 1361126), (65, 1256424), (78, 1047020), (104, 785265), (120, 680563), (130, 628212), (156, 523510), (169, 483240), (195, 418808), (260, 314106), (312, 261755), (338, 241620), (390, 209404), (507, 161080), (520, 157053), (676, 120810), (780, 104702), (845, 96648), (1014, 80540), (1352, 60405), (1560, 52351), (1690, 48324), (2028, 40270), (2535, 32216), (3380, 24162), (4027, 20280), (4056, 20135), (5070, 16108), (6760, 12081), (8054, 10140)]