804531260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 1947939840

約数和(自身を除く): 1143408580

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 79, 92, 115, 130, 131, 158, 169, 230, 260, 262, 299, 316, 338, 395, 460, 524, 598, 655, 676, 790, 845, 1027, 1196, 1310, 1495, 1580, 1690, 1703, 1817, 2054, 2620, 2990, 3013, 3380, 3406, 3634, 3887, 4108, 5135, 5980, 6026, 6812, 7268, 7774, 8515, 9085, 10270, 10349, 12052, 13351, 15065, 15548, 17030, 18170, 19435, 20540, 20698, 22139, 23621, 26702, 30130, 34060, 36340, 38870, 39169, 41396, 44278, 47242, 51745, 53404, 60260, 66755, 77740, 78338, 88556, 94484, 103490, 110695, 118105, 133510, 134537, 156676, 195845, 206980, 221390, 236210, 238027, 267020, 269074, 307073, 391690, 442780, 472420, 476054, 509197, 538148, 614146, 672685, 783380, 952108, 1018394, 1190135, 1228292, 1345370, 1535365, 1748981, 2036788, 2380270, 2545985, 2690740, 3070730, 3094351, 3497962, 4760540, 5091970, 6141460, 6188702, 6995924, 8744905, 10183940, 12377404, 15471755, 17489810, 30943510, 34979620, 40226563, 61887020, 80453126, 160906252, 201132815, 402265630, 804531260]

約数ペア:

[(1, 804531260), (2, 402265630), (4, 201132815), (5, 160906252), (10, 80453126), (13, 61887020), (20, 40226563), (23, 34979620), (26, 30943510), (46, 17489810), (52, 15471755), (65, 12377404), (79, 10183940), (92, 8744905), (115, 6995924), (130, 6188702), (131, 6141460), (158, 5091970), (169, 4760540), (230, 3497962), (260, 3094351), (262, 3070730), (299, 2690740), (316, 2545985), (338, 2380270), (395, 2036788), (460, 1748981), (524, 1535365), (598, 1345370), (655, 1228292), (676, 1190135), (790, 1018394), (845, 952108), (1027, 783380), (1196, 672685), (1310, 614146), (1495, 538148), (1580, 509197), (1690, 476054), (1703, 472420), (1817, 442780), (2054, 391690), (2620, 307073), (2990, 269074), (3013, 267020), (3380, 238027), (3406, 236210), (3634, 221390), (3887, 206980), (4108, 195845), (5135, 156676), (5980, 134537), (6026, 133510), (6812, 118105), (7268, 110695), (7774, 103490), (8515, 94484), (9085, 88556), (10270, 78338), (10349, 77740), (12052, 66755), (13351, 60260), (15065, 53404), (15548, 51745), (17030, 47242), (18170, 44278), (19435, 41396), (20540, 39169), (20698, 38870), (22139, 36340), (23621, 34060), (26702, 30130)]