15985760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2039}}^1$

素因数の和:2068

約数の個数: 72

約数和(自身を含む): 43953840

約数和(自身を除く): 27968080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 2039, 3920, 4078, 7840, 8156, 10195, 14273, 16312, 20390, 28546, 32624, 40780, 57092, 65248, 71365, 81560, 99911, 114184, 142730, 163120, 199822, 228368, 285460, 326240, 399644, 456736, 499555, 570920, 799288, 999110, 1141840, 1598576, 1998220, 2283680, 3197152, 3996440, 7992880, 15985760]

約数ペア:

[(1, 15985760), (2, 7992880), (4, 3996440), (5, 3197152), (7, 2283680), (8, 1998220), (10, 1598576), (14, 1141840), (16, 999110), (20, 799288), (28, 570920), (32, 499555), (35, 456736), (40, 399644), (49, 326240), (56, 285460), (70, 228368), (80, 199822), (98, 163120), (112, 142730), (140, 114184), (160, 99911), (196, 81560), (224, 71365), (245, 65248), (280, 57092), (392, 40780), (490, 32624), (560, 28546), (784, 20390), (980, 16312), (1120, 14273), (1568, 10195), (1960, 8156), (2039, 7840), (3920, 4078)]