80746980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1345783}}^1$

素因数の和:1345795

約数の個数: 24

約数和(自身を含む): 226091712

約数和(自身を除く): 145344732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1345783, 2691566, 4037349, 5383132, 6728915, 8074698, 13457830, 16149396, 20186745, 26915660, 40373490, 80746980]

約数ペア:

[(1, 80746980), (2, 40373490), (3, 26915660), (4, 20186745), (5, 16149396), (6, 13457830), (10, 8074698), (12, 6728915), (15, 5383132), (20, 4037349), (30, 2691566), (60, 1345783)]