81855120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{341063}}^1$

素因数の和:341079

約数の個数: 40

約数和(自身を含む): 253751616

約数和(自身を除く): 171896496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 341063, 682126, 1023189, 1364252, 1705315, 2046378, 2728504, 3410630, 4092756, 5115945, 5457008, 6821260, 8185512, 10231890, 13642520, 16371024, 20463780, 27285040, 40927560, 81855120]

約数ペア:

[(1, 81855120), (2, 40927560), (3, 27285040), (4, 20463780), (5, 16371024), (6, 13642520), (8, 10231890), (10, 8185512), (12, 6821260), (15, 5457008), (16, 5115945), (20, 4092756), (24, 3410630), (30, 2728504), (40, 2046378), (48, 1705315), (60, 1364252), (80, 1023189), (120, 682126), (240, 341063)]