688749360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{16981}}^1$

素因数の和:17023

約数の個数: 120

約数和(自身を含む): 2312133264

約数和(自身を除く): 1623383904

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, 2028, 2535, 2704, 3120, 3380, 4056, 5070, 6760, 8112, 10140, 13520, 16981, 20280, 33962, 40560, 50943, 67924, 84905, 101886, 135848, 169810, 203772, 220753, 254715, 271696, 339620, 407544, 441506, 509430, 662259, 679240, 815088, 883012, 1018860, 1103765, 1324518, 1358480, 1766024, 2037720, 2207530, 2649036, 2869789, 3311295, 3532048, 4075440, 4415060, 5298072, 5739578, 6622590, 8609367, 8830120, 10596144, 11479156, 13245180, 14348945, 17218734, 17660240, 22958312, 26490360, 28697890, 34437468, 43046835, 45916624, 52980720, 57395780, 68874936, 86093670, 114791560, 137749872, 172187340, 229583120, 344374680, 688749360]

約数ペア:

[(1, 688749360), (2, 344374680), (3, 229583120), (4, 172187340), (5, 137749872), (6, 114791560), (8, 86093670), (10, 68874936), (12, 57395780), (13, 52980720), (15, 45916624), (16, 43046835), (20, 34437468), (24, 28697890), (26, 26490360), (30, 22958312), (39, 17660240), (40, 17218734), (48, 14348945), (52, 13245180), (60, 11479156), (65, 10596144), (78, 8830120), (80, 8609367), (104, 6622590), (120, 5739578), (130, 5298072), (156, 4415060), (169, 4075440), (195, 3532048), (208, 3311295), (240, 2869789), (260, 2649036), (312, 2207530), (338, 2037720), (390, 1766024), (507, 1358480), (520, 1324518), (624, 1103765), (676, 1018860), (780, 883012), (845, 815088), (1014, 679240), (1040, 662259), (1352, 509430), (1560, 441506), (1690, 407544), (2028, 339620), (2535, 271696), (2704, 254715), (3120, 220753), (3380, 203772), (4056, 169810), (5070, 135848), (6760, 101886), (8112, 84905), (10140, 67924), (13520, 50943), (16981, 40560), (20280, 33962)]