12900540

素因数分解:

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

素因数の和:1242

約数の個数: 48

約数和(自身を含む): 36328320

約数和(自身を除く): 23427780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 211, 422, 633, 844, 1019, 1055, 1266, 2038, 2110, 2532, 3057, 3165, 4076, 4220, 5095, 6114, 6330, 10190, 12228, 12660, 15285, 20380, 30570, 61140, 215009, 430018, 645027, 860036, 1075045, 1290054, 2150090, 2580108, 3225135, 4300180, 6450270, 12900540]

約数ペア:

[(1, 12900540), (2, 6450270), (3, 4300180), (4, 3225135), (5, 2580108), (6, 2150090), (10, 1290054), (12, 1075045), (15, 860036), (20, 645027), (30, 430018), (60, 215009), (211, 61140), (422, 30570), (633, 20380), (844, 15285), (1019, 12660), (1055, 12228), (1266, 10190), (2038, 6330), (2110, 6114), (2532, 5095), (3057, 4220), (3165, 4076)]