64021680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{88919}}^1$

素因数の和:88938

約数の個数: 60

約数和(自身を含む): 215008560

約数和(自身を除く): 150986880

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, 88919, 177838, 266757, 355676, 444595, 533514, 711352, 800271, 889190, 1067028, 1333785, 1422704, 1600542, 1778380, 2134056, 2667570, 3201084, 3556760, 4001355, 4268112, 5335140, 6402168, 7113520, 8002710, 10670280, 12804336, 16005420, 21340560, 32010840, 64021680]

約数ペア:

[(1, 64021680), (2, 32010840), (3, 21340560), (4, 16005420), (5, 12804336), (6, 10670280), (8, 8002710), (9, 7113520), (10, 6402168), (12, 5335140), (15, 4268112), (16, 4001355), (18, 3556760), (20, 3201084), (24, 2667570), (30, 2134056), (36, 1778380), (40, 1600542), (45, 1422704), (48, 1333785), (60, 1067028), (72, 889190), (80, 800271), (90, 711352), (120, 533514), (144, 444595), (180, 355676), (240, 266757), (360, 177838), (720, 88919)]