2174940

素因数分解:

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

素因数の和:339

約数の個数: 72

約数和(自身を含む): 6774768

約数和(自身を除く): 4599828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 281, 387, 430, 516, 562, 645, 774, 843, 860, 1124, 1290, 1405, 1548, 1686, 1935, 2529, 2580, 2810, 3372, 3870, 4215, 5058, 5620, 7740, 8430, 10116, 12083, 12645, 16860, 24166, 25290, 36249, 48332, 50580, 60415, 72498, 108747, 120830, 144996, 181245, 217494, 241660, 362490, 434988, 543735, 724980, 1087470, 2174940]

約数ペア:

[(1, 2174940), (2, 1087470), (3, 724980), (4, 543735), (5, 434988), (6, 362490), (9, 241660), (10, 217494), (12, 181245), (15, 144996), (18, 120830), (20, 108747), (30, 72498), (36, 60415), (43, 50580), (45, 48332), (60, 36249), (86, 25290), (90, 24166), (129, 16860), (172, 12645), (180, 12083), (215, 10116), (258, 8430), (281, 7740), (387, 5620), (430, 5058), (516, 4215), (562, 3870), (645, 3372), (774, 2810), (843, 2580), (860, 2529), (1124, 1935), (1290, 1686), (1405, 1548)]