64725840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89897}}^1$

素因数の和:89916

約数の個数: 60

約数和(自身を含む): 217373364

約数和(自身を除く): 152647524

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 89897, 179794, 269691, 359588, 449485, 539382, 719176, 809073, 898970, 1078764, 1348455, 1438352, 1618146, 1797940, 2157528, 2696910, 3236292, 3595880, 4045365, 4315056, 5393820, 6472584, 7191760, 8090730, 10787640, 12945168, 16181460, 21575280, 32362920, 64725840]

約数ペア:

[(1, 64725840), (2, 32362920), (3, 21575280), (4, 16181460), (5, 12945168), (6, 10787640), (8, 8090730), (9, 7191760), (10, 6472584), (12, 5393820), (15, 4315056), (16, 4045365), (18, 3595880), (20, 3236292), (24, 2696910), (30, 2157528), (36, 1797940), (40, 1618146), (45, 1438352), (48, 1348455), (60, 1078764), (72, 898970), (80, 809073), (90, 719176), (120, 539382), (144, 449485), (180, 359588), (240, 269691), (360, 179794), (720, 89897)]