123855120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{172021}}^1$

素因数の和:172040

約数の個数: 60

約数和(自身を含む): 415949196

約数和(自身を除く): 292094076

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, 172021, 344042, 516063, 688084, 860105, 1032126, 1376168, 1548189, 1720210, 2064252, 2580315, 2752336, 3096378, 3440420, 4128504, 5160630, 6192756, 6880840, 7740945, 8257008, 10321260, 12385512, 13761680, 15481890, 20642520, 24771024, 30963780, 41285040, 61927560, 123855120]

約数ペア:

[(1, 123855120), (2, 61927560), (3, 41285040), (4, 30963780), (5, 24771024), (6, 20642520), (8, 15481890), (9, 13761680), (10, 12385512), (12, 10321260), (15, 8257008), (16, 7740945), (18, 6880840), (20, 6192756), (24, 5160630), (30, 4128504), (36, 3440420), (40, 3096378), (45, 2752336), (48, 2580315), (60, 2064252), (72, 1720210), (80, 1548189), (90, 1376168), (120, 1032126), (144, 860105), (180, 688084), (240, 516063), (360, 344042), (720, 172021)]