31286760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{260723}}^1$

素因数の和:260737

約数の個数: 32

約数和(自身を含む): 93860640

約数和(自身を除く): 62573880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 260723, 521446, 782169, 1042892, 1303615, 1564338, 2085784, 2607230, 3128676, 3910845, 5214460, 6257352, 7821690, 10428920, 15643380, 31286760]

約数ペア:

[(1, 31286760), (2, 15643380), (3, 10428920), (4, 7821690), (5, 6257352), (6, 5214460), (8, 3910845), (10, 3128676), (12, 2607230), (15, 2085784), (20, 1564338), (24, 1303615), (30, 1042892), (40, 782169), (60, 521446), (120, 260723)]