12380220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{631}}^1$

素因数の和:755

約数の個数: 72

約数和(自身を含む): 37957920

約数和(自身を除く): 25577700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 631, 654, 981, 1090, 1262, 1308, 1635, 1893, 1962, 2180, 2524, 3155, 3270, 3786, 3924, 4905, 5679, 6310, 6540, 7572, 9465, 9810, 11358, 12620, 18930, 19620, 22716, 28395, 37860, 56790, 68779, 113580, 137558, 206337, 275116, 343895, 412674, 619011, 687790, 825348, 1031685, 1238022, 1375580, 2063370, 2476044, 3095055, 4126740, 6190110, 12380220]

約数ペア:

[(1, 12380220), (2, 6190110), (3, 4126740), (4, 3095055), (5, 2476044), (6, 2063370), (9, 1375580), (10, 1238022), (12, 1031685), (15, 825348), (18, 687790), (20, 619011), (30, 412674), (36, 343895), (45, 275116), (60, 206337), (90, 137558), (109, 113580), (180, 68779), (218, 56790), (327, 37860), (436, 28395), (545, 22716), (631, 19620), (654, 18930), (981, 12620), (1090, 11358), (1262, 9810), (1308, 9465), (1635, 7572), (1893, 6540), (1962, 6310), (2180, 5679), (2524, 4905), (3155, 3924), (3270, 3786)]