61394640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{521}}^1$

素因数の和:1028

約数の個数: 80

約数和(自身を含む): 191077056

約数和(自身を除く): 129682416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 491, 521, 982, 1042, 1473, 1563, 1964, 2084, 2455, 2605, 2946, 3126, 3928, 4168, 4910, 5210, 5892, 6252, 7365, 7815, 7856, 8336, 9820, 10420, 11784, 12504, 14730, 15630, 19640, 20840, 23568, 25008, 29460, 31260, 39280, 41680, 58920, 62520, 117840, 125040, 255811, 511622, 767433, 1023244, 1279055, 1534866, 2046488, 2558110, 3069732, 3837165, 4092976, 5116220, 6139464, 7674330, 10232440, 12278928, 15348660, 20464880, 30697320, 61394640]

約数ペア:

[(1, 61394640), (2, 30697320), (3, 20464880), (4, 15348660), (5, 12278928), (6, 10232440), (8, 7674330), (10, 6139464), (12, 5116220), (15, 4092976), (16, 3837165), (20, 3069732), (24, 2558110), (30, 2046488), (40, 1534866), (48, 1279055), (60, 1023244), (80, 767433), (120, 511622), (240, 255811), (491, 125040), (521, 117840), (982, 62520), (1042, 58920), (1473, 41680), (1563, 39280), (1964, 31260), (2084, 29460), (2455, 25008), (2605, 23568), (2946, 20840), (3126, 19640), (3928, 15630), (4168, 14730), (4910, 12504), (5210, 11784), (5892, 10420), (6252, 9820), (7365, 8336), (7815, 7856)]