90345840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1259}}^1$

素因数の和:1311

約数の個数: 160

約数和(自身を含む): 314979840

約数和(自身を除く): 224634000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 39, 40, 46, 48, 52, 60, 65, 69, 78, 80, 92, 104, 115, 120, 130, 138, 156, 184, 195, 208, 230, 240, 260, 276, 299, 312, 345, 368, 390, 460, 520, 552, 598, 624, 690, 780, 897, 920, 1040, 1104, 1196, 1259, 1380, 1495, 1560, 1794, 1840, 2392, 2518, 2760, 2990, 3120, 3588, 3777, 4485, 4784, 5036, 5520, 5980, 6295, 7176, 7554, 8970, 10072, 11960, 12590, 14352, 15108, 16367, 17940, 18885, 20144, 23920, 25180, 28957, 30216, 32734, 35880, 37770, 49101, 50360, 57914, 60432, 65468, 71760, 75540, 81835, 86871, 98202, 100720, 115828, 130936, 144785, 151080, 163670, 173742, 196404, 231656, 245505, 261872, 289570, 302160, 327340, 347484, 376441, 392808, 434355, 463312, 491010, 579140, 654680, 694968, 752882, 785616, 868710, 982020, 1129323, 1158280, 1309360, 1389936, 1505764, 1737420, 1882205, 1964040, 2258646, 2316560, 3011528, 3474840, 3764410, 3928080, 4517292, 5646615, 6023056, 6949680, 7528820, 9034584, 11293230, 15057640, 18069168, 22586460, 30115280, 45172920, 90345840]

約数ペア:

[(1, 90345840), (2, 45172920), (3, 30115280), (4, 22586460), (5, 18069168), (6, 15057640), (8, 11293230), (10, 9034584), (12, 7528820), (13, 6949680), (15, 6023056), (16, 5646615), (20, 4517292), (23, 3928080), (24, 3764410), (26, 3474840), (30, 3011528), (39, 2316560), (40, 2258646), (46, 1964040), (48, 1882205), (52, 1737420), (60, 1505764), (65, 1389936), (69, 1309360), (78, 1158280), (80, 1129323), (92, 982020), (104, 868710), (115, 785616), (120, 752882), (130, 694968), (138, 654680), (156, 579140), (184, 491010), (195, 463312), (208, 434355), (230, 392808), (240, 376441), (260, 347484), (276, 327340), (299, 302160), (312, 289570), (345, 261872), (368, 245505), (390, 231656), (460, 196404), (520, 173742), (552, 163670), (598, 151080), (624, 144785), (690, 130936), (780, 115828), (897, 100720), (920, 98202), (1040, 86871), (1104, 81835), (1196, 75540), (1259, 71760), (1380, 65468), (1495, 60432), (1560, 57914), (1794, 50360), (1840, 49101), (2392, 37770), (2518, 35880), (2760, 32734), (2990, 30216), (3120, 28957), (3588, 25180), (3777, 23920), (4485, 20144), (4784, 18885), (5036, 17940), (5520, 16367), (5980, 15108), (6295, 14352), (7176, 12590), (7554, 11960), (8970, 10072)]