81746520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{681221}}^1$

素因数の和:681235

約数の個数: 32

約数和(自身を含む): 245239920

約数和(自身を除く): 163493400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 681221, 1362442, 2043663, 2724884, 3406105, 4087326, 5449768, 6812210, 8174652, 10218315, 13624420, 16349304, 20436630, 27248840, 40873260, 81746520]

約数ペア:

[(1, 81746520), (2, 40873260), (3, 27248840), (4, 20436630), (5, 16349304), (6, 13624420), (8, 10218315), (10, 8174652), (12, 6812210), (15, 5449768), (20, 4087326), (24, 3406105), (30, 2724884), (40, 2043663), (60, 1362442), (120, 681221)]