257965620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{1453}}^1$

素因数の和:1745

約数の個数: 96

約数和(自身を含む): 791441280

約数和(自身を除く): 533475660

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 269, 330, 538, 660, 807, 1076, 1345, 1453, 1614, 2690, 2906, 2959, 3228, 4035, 4359, 5380, 5812, 5918, 7265, 8070, 8718, 8877, 11836, 14530, 14795, 15983, 16140, 17436, 17754, 21795, 29060, 29590, 31966, 35508, 43590, 44385, 47949, 59180, 63932, 79915, 87180, 88770, 95898, 159830, 177540, 191796, 239745, 319660, 390857, 479490, 781714, 958980, 1172571, 1563428, 1954285, 2345142, 3908570, 4299427, 4690284, 5862855, 7817140, 8598854, 11725710, 12898281, 17197708, 21497135, 23451420, 25796562, 42994270, 51593124, 64491405, 85988540, 128982810, 257965620]

約数ペア:

[(1, 257965620), (2, 128982810), (3, 85988540), (4, 64491405), (5, 51593124), (6, 42994270), (10, 25796562), (11, 23451420), (12, 21497135), (15, 17197708), (20, 12898281), (22, 11725710), (30, 8598854), (33, 7817140), (44, 5862855), (55, 4690284), (60, 4299427), (66, 3908570), (110, 2345142), (132, 1954285), (165, 1563428), (220, 1172571), (269, 958980), (330, 781714), (538, 479490), (660, 390857), (807, 319660), (1076, 239745), (1345, 191796), (1453, 177540), (1614, 159830), (2690, 95898), (2906, 88770), (2959, 87180), (3228, 79915), (4035, 63932), (4359, 59180), (5380, 47949), (5812, 44385), (5918, 43590), (7265, 35508), (8070, 31966), (8718, 29590), (8877, 29060), (11836, 21795), (14530, 17754), (14795, 17436), (15983, 16140)]