85741240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 222082560

約数和(自身を除く): 136341320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 67, 92, 104, 107, 115, 130, 134, 184, 214, 230, 260, 268, 299, 335, 428, 460, 520, 535, 536, 598, 670, 856, 871, 920, 1070, 1196, 1340, 1391, 1495, 1541, 1742, 2140, 2392, 2461, 2680, 2782, 2990, 3082, 3484, 4280, 4355, 4922, 5564, 5980, 6164, 6955, 6968, 7169, 7705, 8710, 9844, 11128, 11960, 12305, 12328, 13910, 14338, 15410, 17420, 19688, 20033, 24610, 27820, 28676, 30820, 31993, 34840, 35845, 40066, 49220, 55640, 57352, 61640, 63986, 71690, 80132, 93197, 98440, 100165, 127972, 143380, 159965, 160264, 164887, 186394, 200330, 255944, 286760, 319930, 329774, 372788, 400660, 465985, 639860, 659548, 745576, 801320, 824435, 931970, 1279720, 1319096, 1648870, 1863940, 2143531, 3297740, 3727880, 4287062, 6595480, 8574124, 10717655, 17148248, 21435310, 42870620, 85741240]

約数ペア:

[(1, 85741240), (2, 42870620), (4, 21435310), (5, 17148248), (8, 10717655), (10, 8574124), (13, 6595480), (20, 4287062), (23, 3727880), (26, 3297740), (40, 2143531), (46, 1863940), (52, 1648870), (65, 1319096), (67, 1279720), (92, 931970), (104, 824435), (107, 801320), (115, 745576), (130, 659548), (134, 639860), (184, 465985), (214, 400660), (230, 372788), (260, 329774), (268, 319930), (299, 286760), (335, 255944), (428, 200330), (460, 186394), (520, 164887), (535, 160264), (536, 159965), (598, 143380), (670, 127972), (856, 100165), (871, 98440), (920, 93197), (1070, 80132), (1196, 71690), (1340, 63986), (1391, 61640), (1495, 57352), (1541, 55640), (1742, 49220), (2140, 40066), (2392, 35845), (2461, 34840), (2680, 31993), (2782, 30820), (2990, 28676), (3082, 27820), (3484, 24610), (4280, 20033), (4355, 19688), (4922, 17420), (5564, 15410), (5980, 14338), (6164, 13910), (6955, 12328), (6968, 12305), (7169, 11960), (7705, 11128), (8710, 9844)]