248770440

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{76781}}^1$

素因数の和:76804

約数の個数: 80

約数和(自身を含む): 836155980

約数和(自身を除く): 587385540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 76781, 153562, 230343, 307124, 383905, 460686, 614248, 691029, 767810, 921372, 1151715, 1382058, 1535620, 1842744, 2073087, 2303430, 2764116, 3071240, 3455145, 4146174, 4606860, 5528232, 6219261, 6910290, 8292348, 9213720, 10365435, 12438522, 13820580, 16584696, 20730870, 24877044, 27641160, 31096305, 41461740, 49754088, 62192610, 82923480, 124385220, 248770440]

約数ペア:

[(1, 248770440), (2, 124385220), (3, 82923480), (4, 62192610), (5, 49754088), (6, 41461740), (8, 31096305), (9, 27641160), (10, 24877044), (12, 20730870), (15, 16584696), (18, 13820580), (20, 12438522), (24, 10365435), (27, 9213720), (30, 8292348), (36, 6910290), (40, 6219261), (45, 5528232), (54, 4606860), (60, 4146174), (72, 3455145), (81, 3071240), (90, 2764116), (108, 2303430), (120, 2073087), (135, 1842744), (162, 1535620), (180, 1382058), (216, 1151715), (270, 921372), (324, 767810), (360, 691029), (405, 614248), (540, 460686), (648, 383905), (810, 307124), (1080, 230343), (1620, 153562), (3240, 76781)]