31705380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{25163}}^1$

素因数の和:25185

約数の個数: 72

約数和(自身を含む): 109916352

約数和(自身を除く): 78210972

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 25163, 50326, 75489, 100652, 125815, 150978, 176141, 226467, 251630, 301956, 352282, 377445, 452934, 503260, 528423, 704564, 754890, 880705, 905868, 1056846, 1132335, 1509780, 1585269, 1761410, 2113692, 2264670, 2642115, 3170538, 3522820, 4529340, 5284230, 6341076, 7926345, 10568460, 15852690, 31705380]

約数ペア:

[(1, 31705380), (2, 15852690), (3, 10568460), (4, 7926345), (5, 6341076), (6, 5284230), (7, 4529340), (9, 3522820), (10, 3170538), (12, 2642115), (14, 2264670), (15, 2113692), (18, 1761410), (20, 1585269), (21, 1509780), (28, 1132335), (30, 1056846), (35, 905868), (36, 880705), (42, 754890), (45, 704564), (60, 528423), (63, 503260), (70, 452934), (84, 377445), (90, 352282), (105, 301956), (126, 251630), (140, 226467), (180, 176141), (210, 150978), (252, 125815), (315, 100652), (420, 75489), (630, 50326), (1260, 25163)]