64678180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1933}}^1$

素因数の和:2188

約数の個数: 48

約数和(自身を含む): 155957760

約数和(自身を除く): 91279580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 956, 1195, 1673, 1933, 2390, 3346, 3866, 4780, 6692, 7732, 8365, 9665, 13531, 16730, 19330, 27062, 33460, 38660, 54124, 67655, 135310, 270620, 461987, 923974, 1847948, 2309935, 3233909, 4619870, 6467818, 9239740, 12935636, 16169545, 32339090, 64678180]

約数ペア:

[(1, 64678180), (2, 32339090), (4, 16169545), (5, 12935636), (7, 9239740), (10, 6467818), (14, 4619870), (20, 3233909), (28, 2309935), (35, 1847948), (70, 923974), (140, 461987), (239, 270620), (478, 135310), (956, 67655), (1195, 54124), (1673, 38660), (1933, 33460), (2390, 27062), (3346, 19330), (3866, 16730), (4780, 13531), (6692, 9665), (7732, 8365)]