31278120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{260651}}^1$

素因数の和:260665

約数の個数: 32

約数和(自身を含む): 93834720

約数和(自身を除く): 62556600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 260651, 521302, 781953, 1042604, 1303255, 1563906, 2085208, 2606510, 3127812, 3909765, 5213020, 6255624, 7819530, 10426040, 15639060, 31278120]

約数ペア:

[(1, 31278120), (2, 15639060), (3, 10426040), (4, 7819530), (5, 6255624), (6, 5213020), (8, 3909765), (10, 3127812), (12, 2606510), (15, 2085208), (20, 1563906), (24, 1303255), (30, 1042604), (40, 781953), (60, 521302), (120, 260651)]