90780720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{378253}}^1$

素因数の和:378269

約数の個数: 40

約数和(自身を含む): 281420976

約数和(自身を除く): 190640256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 378253, 756506, 1134759, 1513012, 1891265, 2269518, 3026024, 3782530, 4539036, 5673795, 6052048, 7565060, 9078072, 11347590, 15130120, 18156144, 22695180, 30260240, 45390360, 90780720]

約数ペア:

[(1, 90780720), (2, 45390360), (3, 30260240), (4, 22695180), (5, 18156144), (6, 15130120), (8, 11347590), (10, 9078072), (12, 7565060), (15, 6052048), (16, 5673795), (20, 4539036), (24, 3782530), (30, 3026024), (40, 2269518), (48, 1891265), (60, 1513012), (80, 1134759), (120, 756506), (240, 378253)]