77303640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{644197}}^1$

素因数の和:644211

約数の個数: 32

約数和(自身を含む): 231911280

約数和(自身を除く): 154607640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 644197, 1288394, 1932591, 2576788, 3220985, 3865182, 5153576, 6441970, 7730364, 9662955, 12883940, 15460728, 19325910, 25767880, 38651820, 77303640]

約数ペア:

[(1, 77303640), (2, 38651820), (3, 25767880), (4, 19325910), (5, 15460728), (6, 12883940), (8, 9662955), (10, 7730364), (12, 6441970), (15, 5153576), (20, 3865182), (24, 3220985), (30, 2576788), (40, 1932591), (60, 1288394), (120, 644197)]