31798980

素因数分解:

$2^2\times 3^7\times 5^1\times {\mathrm{727}}^1$

素因数の和:757

約数の個数: 96

約数和(自身を含む): 100289280

約数和(自身を除く): 68490300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 727, 729, 810, 972, 1215, 1454, 1458, 1620, 2181, 2187, 2430, 2908, 2916, 3635, 3645, 4362, 4374, 4860, 6543, 7270, 7290, 8724, 8748, 10905, 10935, 13086, 14540, 14580, 19629, 21810, 21870, 26172, 32715, 39258, 43620, 43740, 58887, 65430, 78516, 98145, 117774, 130860, 176661, 196290, 235548, 294435, 353322, 392580, 529983, 588870, 706644, 883305, 1059966, 1177740, 1589949, 1766610, 2119932, 2649915, 3179898, 3533220, 5299830, 6359796, 7949745, 10599660, 15899490, 31798980]

約数ペア:

[(1, 31798980), (2, 15899490), (3, 10599660), (4, 7949745), (5, 6359796), (6, 5299830), (9, 3533220), (10, 3179898), (12, 2649915), (15, 2119932), (18, 1766610), (20, 1589949), (27, 1177740), (30, 1059966), (36, 883305), (45, 706644), (54, 588870), (60, 529983), (81, 392580), (90, 353322), (108, 294435), (135, 235548), (162, 196290), (180, 176661), (243, 130860), (270, 117774), (324, 98145), (405, 78516), (486, 65430), (540, 58887), (727, 43740), (729, 43620), (810, 39258), (972, 32715), (1215, 26172), (1454, 21870), (1458, 21810), (1620, 19629), (2181, 14580), (2187, 14540), (2430, 13086), (2908, 10935), (2916, 10905), (3635, 8748), (3645, 8724), (4362, 7290), (4374, 7270), (4860, 6543)]