27765960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5381}}^1$

素因数の和:5438

約数の個数: 64

約数和(自身を含む): 85250880

約数和(自身を除く): 57484920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 5381, 10762, 16143, 21524, 26905, 32286, 43048, 53810, 64572, 80715, 107620, 129144, 161430, 215240, 231383, 322860, 462766, 645720, 694149, 925532, 1156915, 1388298, 1851064, 2313830, 2776596, 3470745, 4627660, 5553192, 6941490, 9255320, 13882980, 27765960]

約数ペア:

[(1, 27765960), (2, 13882980), (3, 9255320), (4, 6941490), (5, 5553192), (6, 4627660), (8, 3470745), (10, 2776596), (12, 2313830), (15, 1851064), (20, 1388298), (24, 1156915), (30, 925532), (40, 694149), (43, 645720), (60, 462766), (86, 322860), (120, 231383), (129, 215240), (172, 161430), (215, 129144), (258, 107620), (344, 80715), (430, 64572), (516, 53810), (645, 43048), (860, 32286), (1032, 26905), (1290, 21524), (1720, 16143), (2580, 10762), (5160, 5381)]