15380540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1801}}^1$

素因数の和:1878

約数の個数: 48

約数和(自身を含む): 37539264

約数和(自身を除く): 22158724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 1801, 2135, 3602, 4270, 7204, 8540, 9005, 12607, 18010, 25214, 36020, 50428, 63035, 109861, 126070, 219722, 252140, 439444, 549305, 769027, 1098610, 1538054, 2197220, 3076108, 3845135, 7690270, 15380540]

約数ペア:

[(1, 15380540), (2, 7690270), (4, 3845135), (5, 3076108), (7, 2197220), (10, 1538054), (14, 1098610), (20, 769027), (28, 549305), (35, 439444), (61, 252140), (70, 219722), (122, 126070), (140, 109861), (244, 63035), (305, 50428), (427, 36020), (610, 25214), (854, 18010), (1220, 12607), (1708, 9005), (1801, 8540), (2135, 7204), (3602, 4270)]