54523280

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{1987}}^1$

素因数の和:2021

約数の個数: 80

約数和(自身を含む): 147907200

約数和(自身を除く): 93383920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 1987, 2744, 3430, 3920, 3974, 5488, 6860, 7948, 9935, 13720, 13909, 15896, 19870, 27440, 27818, 31792, 39740, 55636, 69545, 79480, 97363, 111272, 139090, 158960, 194726, 222544, 278180, 389452, 486815, 556360, 681541, 778904, 973630, 1112720, 1363082, 1557808, 1947260, 2726164, 3407705, 3894520, 5452328, 6815410, 7789040, 10904656, 13630820, 27261640, 54523280]

約数ペア:

[(1, 54523280), (2, 27261640), (4, 13630820), (5, 10904656), (7, 7789040), (8, 6815410), (10, 5452328), (14, 3894520), (16, 3407705), (20, 2726164), (28, 1947260), (35, 1557808), (40, 1363082), (49, 1112720), (56, 973630), (70, 778904), (80, 681541), (98, 556360), (112, 486815), (140, 389452), (196, 278180), (245, 222544), (280, 194726), (343, 158960), (392, 139090), (490, 111272), (560, 97363), (686, 79480), (784, 69545), (980, 55636), (1372, 39740), (1715, 31792), (1960, 27818), (1987, 27440), (2744, 19870), (3430, 15896), (3920, 13909), (3974, 13720), (5488, 9935), (6860, 7948)]