12678990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2003}}^1$

素因数の和:2224

約数の個数: 32

約数和(自身を含む): 30589056

約数和(自身を除く): 17910066

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 211, 422, 633, 1055, 1266, 2003, 2110, 3165, 4006, 6009, 6330, 10015, 12018, 20030, 30045, 60090, 422633, 845266, 1267899, 2113165, 2535798, 4226330, 6339495, 12678990]

約数ペア:

[(1, 12678990), (2, 6339495), (3, 4226330), (5, 2535798), (6, 2113165), (10, 1267899), (15, 845266), (30, 422633), (211, 60090), (422, 30045), (633, 20030), (1055, 12018), (1266, 10015), (2003, 6330), (2110, 6009), (3165, 4006)]