31174140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{281}}^1$

素因数の和:379

約数の個数: 72

約数和(自身を含む): 89682768

約数和(自身を除く): 58508628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 281, 430, 516, 562, 645, 843, 860, 1124, 1290, 1405, 1686, 1849, 2580, 2810, 3372, 3698, 4215, 5547, 5620, 7396, 8430, 9245, 11094, 12083, 16860, 18490, 22188, 24166, 27735, 36249, 36980, 48332, 55470, 60415, 72498, 110940, 120830, 144996, 181245, 241660, 362490, 519569, 724980, 1039138, 1558707, 2078276, 2597845, 3117414, 5195690, 6234828, 7793535, 10391380, 15587070, 31174140]

約数ペア:

[(1, 31174140), (2, 15587070), (3, 10391380), (4, 7793535), (5, 6234828), (6, 5195690), (10, 3117414), (12, 2597845), (15, 2078276), (20, 1558707), (30, 1039138), (43, 724980), (60, 519569), (86, 362490), (129, 241660), (172, 181245), (215, 144996), (258, 120830), (281, 110940), (430, 72498), (516, 60415), (562, 55470), (645, 48332), (843, 36980), (860, 36249), (1124, 27735), (1290, 24166), (1405, 22188), (1686, 18490), (1849, 16860), (2580, 12083), (2810, 11094), (3372, 9245), (3698, 8430), (4215, 7396), (5547, 5620)]