80789040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{112207}}^1$

素因数の和:112226

約数の個数: 60

約数和(自身を含む): 271318944

約数和(自身を除く): 190529904

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, 112207, 224414, 336621, 448828, 561035, 673242, 897656, 1009863, 1122070, 1346484, 1683105, 1795312, 2019726, 2244140, 2692968, 3366210, 4039452, 4488280, 5049315, 5385936, 6732420, 8078904, 8976560, 10098630, 13464840, 16157808, 20197260, 26929680, 40394520, 80789040]

約数ペア:

[(1, 80789040), (2, 40394520), (3, 26929680), (4, 20197260), (5, 16157808), (6, 13464840), (8, 10098630), (9, 8976560), (10, 8078904), (12, 6732420), (15, 5385936), (16, 5049315), (18, 4488280), (20, 4039452), (24, 3366210), (30, 2692968), (36, 2244140), (40, 2019726), (45, 1795312), (48, 1683105), (60, 1346484), (72, 1122070), (80, 1009863), (90, 897656), (120, 673242), (144, 561035), (180, 448828), (240, 336621), (360, 224414), (720, 112207)]