2567430

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 7058880

約数和(自身を除く): 4491450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 135, 185, 222, 257, 270, 333, 370, 514, 555, 666, 771, 999, 1110, 1285, 1542, 1665, 1998, 2313, 2570, 3330, 3855, 4626, 4995, 6939, 7710, 9509, 9990, 11565, 13878, 19018, 23130, 28527, 34695, 47545, 57054, 69390, 85581, 95090, 142635, 171162, 256743, 285270, 427905, 513486, 855810, 1283715, 2567430]

約数ペア:

[(1, 2567430), (2, 1283715), (3, 855810), (5, 513486), (6, 427905), (9, 285270), (10, 256743), (15, 171162), (18, 142635), (27, 95090), (30, 85581), (37, 69390), (45, 57054), (54, 47545), (74, 34695), (90, 28527), (111, 23130), (135, 19018), (185, 13878), (222, 11565), (257, 9990), (270, 9509), (333, 7710), (370, 6939), (514, 4995), (555, 4626), (666, 3855), (771, 3330), (999, 2570), (1110, 2313), (1285, 1998), (1542, 1665)]