31378140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3709}}^1$

素因数の和:3771

約数の個数: 72

約数和(自身を含む): 97231680

約数和(自身を除く): 65853540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 3709, 4230, 7418, 8460, 11127, 14836, 18545, 22254, 33381, 37090, 44508, 55635, 66762, 74180, 111270, 133524, 166905, 174323, 222540, 333810, 348646, 522969, 667620, 697292, 871615, 1045938, 1568907, 1743230, 2091876, 2614845, 3137814, 3486460, 5229690, 6275628, 7844535, 10459380, 15689070, 31378140]

約数ペア:

[(1, 31378140), (2, 15689070), (3, 10459380), (4, 7844535), (5, 6275628), (6, 5229690), (9, 3486460), (10, 3137814), (12, 2614845), (15, 2091876), (18, 1743230), (20, 1568907), (30, 1045938), (36, 871615), (45, 697292), (47, 667620), (60, 522969), (90, 348646), (94, 333810), (141, 222540), (180, 174323), (188, 166905), (235, 133524), (282, 111270), (423, 74180), (470, 66762), (564, 55635), (705, 44508), (846, 37090), (940, 33381), (1410, 22254), (1692, 18545), (2115, 14836), (2820, 11127), (3709, 8460), (4230, 7418)]