31374540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:309

約数の個数: 120

約数和(自身を含む): 99891792

約数和(自身を除く): 68517252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 107, 108, 135, 162, 180, 181, 214, 270, 321, 324, 362, 405, 428, 535, 540, 543, 642, 724, 810, 905, 963, 1070, 1086, 1284, 1605, 1620, 1629, 1810, 1926, 2140, 2172, 2715, 2889, 3210, 3258, 3620, 3852, 4815, 4887, 5430, 5778, 6420, 6516, 8145, 8667, 9630, 9774, 10860, 11556, 14445, 14661, 16290, 17334, 19260, 19367, 19548, 24435, 28890, 29322, 32580, 34668, 38734, 43335, 48870, 57780, 58101, 58644, 73305, 77468, 86670, 96835, 97740, 116202, 146610, 173340, 174303, 193670, 232404, 290505, 293220, 348606, 387340, 522909, 581010, 697212, 871515, 1045818, 1162020, 1568727, 1743030, 2091636, 2614545, 3137454, 3486060, 5229090, 6274908, 7843635, 10458180, 15687270, 31374540]

約数ペア:

[(1, 31374540), (2, 15687270), (3, 10458180), (4, 7843635), (5, 6274908), (6, 5229090), (9, 3486060), (10, 3137454), (12, 2614545), (15, 2091636), (18, 1743030), (20, 1568727), (27, 1162020), (30, 1045818), (36, 871515), (45, 697212), (54, 581010), (60, 522909), (81, 387340), (90, 348606), (107, 293220), (108, 290505), (135, 232404), (162, 193670), (180, 174303), (181, 173340), (214, 146610), (270, 116202), (321, 97740), (324, 96835), (362, 86670), (405, 77468), (428, 73305), (535, 58644), (540, 58101), (543, 57780), (642, 48870), (724, 43335), (810, 38734), (905, 34668), (963, 32580), (1070, 29322), (1086, 28890), (1284, 24435), (1605, 19548), (1620, 19367), (1629, 19260), (1810, 17334), (1926, 16290), (2140, 14661), (2172, 14445), (2715, 11556), (2889, 10860), (3210, 9774), (3258, 9630), (3620, 8667), (3852, 8145), (4815, 6516), (4887, 6420), (5430, 5778)]