1880268540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{121937}}^1$

素因数の和:122206

約数の個数: 48

約数和(自身を含む): 5285280672

約数和(自身を除く): 3405012132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 1028, 1285, 1542, 2570, 3084, 3855, 5140, 7710, 15420, 121937, 243874, 365811, 487748, 609685, 731622, 1219370, 1463244, 1829055, 2438740, 3658110, 7316220, 31337809, 62675618, 94013427, 125351236, 156689045, 188026854, 313378090, 376053708, 470067135, 626756180, 940134270, 1880268540]

約数ペア:

[(1, 1880268540), (2, 940134270), (3, 626756180), (4, 470067135), (5, 376053708), (6, 313378090), (10, 188026854), (12, 156689045), (15, 125351236), (20, 94013427), (30, 62675618), (60, 31337809), (257, 7316220), (514, 3658110), (771, 2438740), (1028, 1829055), (1285, 1463244), (1542, 1219370), (2570, 731622), (3084, 609685), (3855, 487748), (5140, 365811), (7710, 243874), (15420, 121937)]