27261640

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{1987}}^1$

素因数の和:2019

約数の個数: 64

約数和(自身を含む): 71568000

約数和(自身を除く): 44306360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 1987, 2744, 3430, 3974, 6860, 7948, 9935, 13720, 13909, 15896, 19870, 27818, 39740, 55636, 69545, 79480, 97363, 111272, 139090, 194726, 278180, 389452, 486815, 556360, 681541, 778904, 973630, 1363082, 1947260, 2726164, 3407705, 3894520, 5452328, 6815410, 13630820, 27261640]

約数ペア:

[(1, 27261640), (2, 13630820), (4, 6815410), (5, 5452328), (7, 3894520), (8, 3407705), (10, 2726164), (14, 1947260), (20, 1363082), (28, 973630), (35, 778904), (40, 681541), (49, 556360), (56, 486815), (70, 389452), (98, 278180), (140, 194726), (196, 139090), (245, 111272), (280, 97363), (343, 79480), (392, 69545), (490, 55636), (686, 39740), (980, 27818), (1372, 19870), (1715, 15896), (1960, 13909), (1987, 13720), (2744, 9935), (3430, 7948), (3974, 6860)]