681451120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1523}}^1$

素因数の和:1607

約数の個数: 160

約数和(自身を含む): 1959303168

約数和(自身を除く): 1277852048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 47, 56, 68, 70, 80, 85, 94, 112, 119, 136, 140, 170, 188, 235, 238, 272, 280, 329, 340, 376, 470, 476, 560, 595, 658, 680, 752, 799, 940, 952, 1190, 1316, 1360, 1523, 1598, 1645, 1880, 1904, 2380, 2632, 3046, 3196, 3290, 3760, 3995, 4760, 5264, 5593, 6092, 6392, 6580, 7615, 7990, 9520, 10661, 11186, 12184, 12784, 13160, 15230, 15980, 21322, 22372, 24368, 25891, 26320, 27965, 30460, 31960, 42644, 44744, 51782, 53305, 55930, 60920, 63920, 71581, 85288, 89488, 103564, 106610, 111860, 121840, 129455, 143162, 170576, 181237, 207128, 213220, 223720, 258910, 286324, 357905, 362474, 414256, 426440, 447440, 501067, 517820, 572648, 715810, 724948, 852880, 906185, 1002134, 1035640, 1145296, 1216877, 1431620, 1449896, 1812370, 2004268, 2071280, 2433754, 2505335, 2863240, 2899792, 3624740, 4008536, 4867508, 5010670, 5726480, 6084385, 7249480, 8017072, 8518139, 9735016, 10021340, 12168770, 14498960, 17036278, 19470032, 20042680, 24337540, 34072556, 40085360, 42590695, 48675080, 68145112, 85181390, 97350160, 136290224, 170362780, 340725560, 681451120]

約数ペア:

[(1, 681451120), (2, 340725560), (4, 170362780), (5, 136290224), (7, 97350160), (8, 85181390), (10, 68145112), (14, 48675080), (16, 42590695), (17, 40085360), (20, 34072556), (28, 24337540), (34, 20042680), (35, 19470032), (40, 17036278), (47, 14498960), (56, 12168770), (68, 10021340), (70, 9735016), (80, 8518139), (85, 8017072), (94, 7249480), (112, 6084385), (119, 5726480), (136, 5010670), (140, 4867508), (170, 4008536), (188, 3624740), (235, 2899792), (238, 2863240), (272, 2505335), (280, 2433754), (329, 2071280), (340, 2004268), (376, 1812370), (470, 1449896), (476, 1431620), (560, 1216877), (595, 1145296), (658, 1035640), (680, 1002134), (752, 906185), (799, 852880), (940, 724948), (952, 715810), (1190, 572648), (1316, 517820), (1360, 501067), (1523, 447440), (1598, 426440), (1645, 414256), (1880, 362474), (1904, 357905), (2380, 286324), (2632, 258910), (3046, 223720), (3196, 213220), (3290, 207128), (3760, 181237), (3995, 170576), (4760, 143162), (5264, 129455), (5593, 121840), (6092, 111860), (6392, 106610), (6580, 103564), (7615, 89488), (7990, 85288), (9520, 71581), (10661, 63920), (11186, 60920), (12184, 55930), (12784, 53305), (13160, 51782), (15230, 44744), (15980, 42644), (21322, 31960), (22372, 30460), (24368, 27965), (25891, 26320)]