28233180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1439}}^1$

素因数の和:1563

約数の個数: 72

約数和(自身を含む): 86486400

約数和(自身を除く): 58253220

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, 654, 981, 1090, 1308, 1439, 1635, 1962, 2180, 2878, 3270, 3924, 4317, 4905, 5756, 6540, 7195, 8634, 9810, 12951, 14390, 17268, 19620, 21585, 25902, 28780, 43170, 51804, 64755, 86340, 129510, 156851, 259020, 313702, 470553, 627404, 784255, 941106, 1411659, 1568510, 1882212, 2352765, 2823318, 3137020, 4705530, 5646636, 7058295, 9411060, 14116590, 28233180]

約数ペア:

[(1, 28233180), (2, 14116590), (3, 9411060), (4, 7058295), (5, 5646636), (6, 4705530), (9, 3137020), (10, 2823318), (12, 2352765), (15, 1882212), (18, 1568510), (20, 1411659), (30, 941106), (36, 784255), (45, 627404), (60, 470553), (90, 313702), (109, 259020), (180, 156851), (218, 129510), (327, 86340), (436, 64755), (545, 51804), (654, 43170), (981, 28780), (1090, 25902), (1308, 21585), (1439, 19620), (1635, 17268), (1962, 14390), (2180, 12951), (2878, 9810), (3270, 8634), (3924, 7195), (4317, 6540), (4905, 5756)]