171790840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10657}}^1$

素因数の和:10712

約数の個数: 64

約数和(自身を含む): 429730560

約数和(自身を除く): 257939720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 10657, 16120, 21314, 42628, 53285, 85256, 106570, 138541, 213140, 277082, 330367, 426280, 554164, 660734, 692705, 1108328, 1321468, 1385410, 1651835, 2642936, 2770820, 3303670, 4294771, 5541640, 6607340, 8589542, 13214680, 17179084, 21473855, 34358168, 42947710, 85895420, 171790840]

約数ペア:

[(1, 171790840), (2, 85895420), (4, 42947710), (5, 34358168), (8, 21473855), (10, 17179084), (13, 13214680), (20, 8589542), (26, 6607340), (31, 5541640), (40, 4294771), (52, 3303670), (62, 2770820), (65, 2642936), (104, 1651835), (124, 1385410), (130, 1321468), (155, 1108328), (248, 692705), (260, 660734), (310, 554164), (403, 426280), (520, 330367), (620, 277082), (806, 213140), (1240, 138541), (1612, 106570), (2015, 85256), (3224, 53285), (4030, 42628), (8060, 21314), (10657, 16120)]