28861020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1471}}^1$

素因数の和:1595

約数の個数: 72

約数和(自身を含む): 88408320

約数和(自身を除く): 59547300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1471, 1635, 1962, 2180, 2942, 3270, 3924, 4413, 4905, 5884, 6540, 7355, 8826, 9810, 13239, 14710, 17652, 19620, 22065, 26478, 29420, 44130, 52956, 66195, 88260, 132390, 160339, 264780, 320678, 481017, 641356, 801695, 962034, 1443051, 1603390, 1924068, 2405085, 2886102, 3206780, 4810170, 5772204, 7215255, 9620340, 14430510, 28861020]

約数ペア:

[(1, 28861020), (2, 14430510), (3, 9620340), (4, 7215255), (5, 5772204), (6, 4810170), (9, 3206780), (10, 2886102), (12, 2405085), (15, 1924068), (18, 1603390), (20, 1443051), (30, 962034), (36, 801695), (45, 641356), (60, 481017), (90, 320678), (109, 264780), (180, 160339), (218, 132390), (327, 88260), (436, 66195), (545, 52956), (654, 44130), (981, 29420), (1090, 26478), (1308, 22065), (1471, 19620), (1635, 17652), (1962, 14710), (2180, 13239), (2942, 9810), (3270, 8826), (3924, 7355), (4413, 6540), (4905, 5884)]