1212180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 3447360

約数和(自身を除く): 2235180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 227, 267, 356, 445, 454, 534, 681, 890, 908, 1068, 1135, 1335, 1362, 1780, 2270, 2670, 2724, 3405, 4540, 5340, 6810, 13620, 20203, 40406, 60609, 80812, 101015, 121218, 202030, 242436, 303045, 404060, 606090, 1212180]

約数ペア:

[(1, 1212180), (2, 606090), (3, 404060), (4, 303045), (5, 242436), (6, 202030), (10, 121218), (12, 101015), (15, 80812), (20, 60609), (30, 40406), (60, 20203), (89, 13620), (178, 6810), (227, 5340), (267, 4540), (356, 3405), (445, 2724), (454, 2670), (534, 2270), (681, 1780), (890, 1362), (908, 1335), (1068, 1135)]