31687980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2503}}^1$

素因数の和:2726

約数の個数: 48

約数和(自身を含む): 89182464

約数和(自身を除く): 57494484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 211, 422, 633, 844, 1055, 1266, 2110, 2503, 2532, 3165, 4220, 5006, 6330, 7509, 10012, 12515, 12660, 15018, 25030, 30036, 37545, 50060, 75090, 150180, 528133, 1056266, 1584399, 2112532, 2640665, 3168798, 5281330, 6337596, 7921995, 10562660, 15843990, 31687980]

約数ペア:

[(1, 31687980), (2, 15843990), (3, 10562660), (4, 7921995), (5, 6337596), (6, 5281330), (10, 3168798), (12, 2640665), (15, 2112532), (20, 1584399), (30, 1056266), (60, 528133), (211, 150180), (422, 75090), (633, 50060), (844, 37545), (1055, 30036), (1266, 25030), (2110, 15018), (2503, 12660), (2532, 12515), (3165, 10012), (4220, 7509), (5006, 6330)]