2458920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 7626240

約数和(自身を除く): 5167320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 661, 744, 930, 1240, 1322, 1860, 1983, 2644, 3305, 3720, 3966, 5288, 6610, 7932, 9915, 13220, 15864, 19830, 20491, 26440, 39660, 40982, 61473, 79320, 81964, 102455, 122946, 163928, 204910, 245892, 307365, 409820, 491784, 614730, 819640, 1229460, 2458920]

約数ペア:

[(1, 2458920), (2, 1229460), (3, 819640), (4, 614730), (5, 491784), (6, 409820), (8, 307365), (10, 245892), (12, 204910), (15, 163928), (20, 122946), (24, 102455), (30, 81964), (31, 79320), (40, 61473), (60, 40982), (62, 39660), (93, 26440), (120, 20491), (124, 19830), (155, 15864), (186, 13220), (248, 9915), (310, 7932), (372, 6610), (465, 5288), (620, 3966), (661, 3720), (744, 3305), (930, 2644), (1240, 1983), (1322, 1860)]