420638520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{3505321}}^1$

素因数の和:3505335

約数の個数: 32

約数和(自身を含む): 1261915920

約数和(自身を除く): 841277400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 3505321, 7010642, 10515963, 14021284, 17526605, 21031926, 28042568, 35053210, 42063852, 52579815, 70106420, 84127704, 105159630, 140212840, 210319260, 420638520]

約数ペア:

[(1, 420638520), (2, 210319260), (3, 140212840), (4, 105159630), (5, 84127704), (6, 70106420), (8, 52579815), (10, 42063852), (12, 35053210), (15, 28042568), (20, 21031926), (24, 17526605), (30, 14021284), (40, 10515963), (60, 7010642), (120, 3505321)]