25801080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1019}}^1$

素因数の和:1244

約数の個数: 64

約数和(自身を含む): 77846400

約数和(自身を除く): 52045320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 633, 844, 1019, 1055, 1266, 1688, 2038, 2110, 2532, 3057, 3165, 4076, 4220, 5064, 5095, 6114, 6330, 8152, 8440, 10190, 12228, 12660, 15285, 20380, 24456, 25320, 30570, 40760, 61140, 122280, 215009, 430018, 645027, 860036, 1075045, 1290054, 1720072, 2150090, 2580108, 3225135, 4300180, 5160216, 6450270, 8600360, 12900540, 25801080]

約数ペア:

[(1, 25801080), (2, 12900540), (3, 8600360), (4, 6450270), (5, 5160216), (6, 4300180), (8, 3225135), (10, 2580108), (12, 2150090), (15, 1720072), (20, 1290054), (24, 1075045), (30, 860036), (40, 645027), (60, 430018), (120, 215009), (211, 122280), (422, 61140), (633, 40760), (844, 30570), (1019, 25320), (1055, 24456), (1266, 20380), (1688, 15285), (2038, 12660), (2110, 12228), (2532, 10190), (3057, 8440), (3165, 8152), (4076, 6330), (4220, 6114), (5064, 5095)]