1221435660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{20357261}}^1$

素因数の和:20357273

約数の個数: 24

約数和(自身を含む): 3420020016

約数和(自身を除く): 2198584356

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 20357261, 40714522, 61071783, 81429044, 101786305, 122143566, 203572610, 244287132, 305358915, 407145220, 610717830, 1221435660]

約数ペア:

[(1, 1221435660), (2, 610717830), (3, 407145220), (4, 305358915), (5, 244287132), (6, 203572610), (10, 122143566), (12, 101786305), (15, 81429044), (20, 61071783), (30, 40714522), (60, 20357261)]