66705720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1429}}^1$

素因数の和:1832

約数の個数: 64

約数和(自身を含む): 200772000

約数和(自身を除く): 134066280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 389, 778, 1167, 1429, 1556, 1945, 2334, 2858, 3112, 3890, 4287, 4668, 5716, 5835, 7145, 7780, 8574, 9336, 11432, 11670, 14290, 15560, 17148, 21435, 23340, 28580, 34296, 42870, 46680, 57160, 85740, 171480, 555881, 1111762, 1667643, 2223524, 2779405, 3335286, 4447048, 5558810, 6670572, 8338215, 11117620, 13341144, 16676430, 22235240, 33352860, 66705720]

約数ペア:

[(1, 66705720), (2, 33352860), (3, 22235240), (4, 16676430), (5, 13341144), (6, 11117620), (8, 8338215), (10, 6670572), (12, 5558810), (15, 4447048), (20, 3335286), (24, 2779405), (30, 2223524), (40, 1667643), (60, 1111762), (120, 555881), (389, 171480), (778, 85740), (1167, 57160), (1429, 46680), (1556, 42870), (1945, 34296), (2334, 28580), (2858, 23340), (3112, 21435), (3890, 17148), (4287, 15560), (4668, 14290), (5716, 11670), (5835, 11432), (7145, 9336), (7780, 8574)]