68498120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 159364800

約数和(自身を除く): 90866680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 67, 122, 134, 244, 268, 305, 335, 419, 488, 536, 610, 670, 838, 1220, 1340, 1676, 2095, 2440, 2680, 3352, 4087, 4190, 8174, 8380, 16348, 16760, 20435, 25559, 28073, 32696, 40870, 51118, 56146, 81740, 102236, 112292, 127795, 140365, 163480, 204472, 224584, 255590, 280730, 511180, 561460, 1022360, 1122920, 1712453, 3424906, 6849812, 8562265, 13699624, 17124530, 34249060, 68498120]

約数ペア:

[(1, 68498120), (2, 34249060), (4, 17124530), (5, 13699624), (8, 8562265), (10, 6849812), (20, 3424906), (40, 1712453), (61, 1122920), (67, 1022360), (122, 561460), (134, 511180), (244, 280730), (268, 255590), (305, 224584), (335, 204472), (419, 163480), (488, 140365), (536, 127795), (610, 112292), (670, 102236), (838, 81740), (1220, 56146), (1340, 51118), (1676, 40870), (2095, 32696), (2440, 28073), (2680, 25559), (3352, 20435), (4087, 16760), (4190, 16348), (8174, 8380)]