15331920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{331}}^1$

素因数の和:540

約数の個数: 80

約数和(自身を含む): 47919552

約数和(自身を除く): 32587632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 193, 240, 331, 386, 579, 662, 772, 965, 993, 1158, 1324, 1544, 1655, 1930, 1986, 2316, 2648, 2895, 3088, 3310, 3860, 3972, 4632, 4965, 5296, 5790, 6620, 7720, 7944, 9264, 9930, 11580, 13240, 15440, 15888, 19860, 23160, 26480, 39720, 46320, 63883, 79440, 127766, 191649, 255532, 319415, 383298, 511064, 638830, 766596, 958245, 1022128, 1277660, 1533192, 1916490, 2555320, 3066384, 3832980, 5110640, 7665960, 15331920]

約数ペア:

[(1, 15331920), (2, 7665960), (3, 5110640), (4, 3832980), (5, 3066384), (6, 2555320), (8, 1916490), (10, 1533192), (12, 1277660), (15, 1022128), (16, 958245), (20, 766596), (24, 638830), (30, 511064), (40, 383298), (48, 319415), (60, 255532), (80, 191649), (120, 127766), (193, 79440), (240, 63883), (331, 46320), (386, 39720), (579, 26480), (662, 23160), (772, 19860), (965, 15888), (993, 15440), (1158, 13240), (1324, 11580), (1544, 9930), (1655, 9264), (1930, 7944), (1986, 7720), (2316, 6620), (2648, 5790), (2895, 5296), (3088, 4965), (3310, 4632), (3860, 3972)]