2151090

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 5944320

約数和(自身を除く): 3793230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 90, 93, 135, 155, 186, 257, 270, 279, 310, 465, 514, 558, 771, 837, 930, 1285, 1395, 1542, 1674, 2313, 2570, 2790, 3855, 4185, 4626, 6939, 7710, 7967, 8370, 11565, 13878, 15934, 23130, 23901, 34695, 39835, 47802, 69390, 71703, 79670, 119505, 143406, 215109, 239010, 358515, 430218, 717030, 1075545, 2151090]

約数ペア:

[(1, 2151090), (2, 1075545), (3, 717030), (5, 430218), (6, 358515), (9, 239010), (10, 215109), (15, 143406), (18, 119505), (27, 79670), (30, 71703), (31, 69390), (45, 47802), (54, 39835), (62, 34695), (90, 23901), (93, 23130), (135, 15934), (155, 13878), (186, 11565), (257, 8370), (270, 7967), (279, 7710), (310, 6939), (465, 4626), (514, 4185), (558, 3855), (771, 2790), (837, 2570), (930, 2313), (1285, 1674), (1395, 1542)]