31285560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{260713}}^1$

素因数の和:260727

約数の個数: 32

約数和(自身を含む): 93857040

約数和(自身を除く): 62571480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 260713, 521426, 782139, 1042852, 1303565, 1564278, 2085704, 2607130, 3128556, 3910695, 5214260, 6257112, 7821390, 10428520, 15642780, 31285560]

約数ペア:

[(1, 31285560), (2, 15642780), (3, 10428520), (4, 7821390), (5, 6257112), (6, 5214260), (8, 3910695), (10, 3128556), (12, 2607130), (15, 2085704), (20, 1564278), (24, 1303565), (30, 1042852), (40, 782139), (60, 521426), (120, 260713)]