64188320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:502

約数の個数: 96

約数和(自身を含む): 174763008

約数和(自身を除く): 110574688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 223, 224, 257, 280, 446, 514, 560, 892, 1028, 1115, 1120, 1285, 1561, 1784, 1799, 2056, 2230, 2570, 3122, 3568, 3598, 4112, 4460, 5140, 6244, 7136, 7196, 7805, 8224, 8920, 8995, 10280, 12488, 14392, 15610, 17840, 17990, 20560, 24976, 28784, 31220, 35680, 35980, 41120, 49952, 57311, 57568, 62440, 71960, 114622, 124880, 143920, 229244, 249760, 286555, 287840, 401177, 458488, 573110, 802354, 916976, 1146220, 1604708, 1833952, 2005885, 2292440, 3209416, 4011770, 4584880, 6418832, 8023540, 9169760, 12837664, 16047080, 32094160, 64188320]

約数ペア:

[(1, 64188320), (2, 32094160), (4, 16047080), (5, 12837664), (7, 9169760), (8, 8023540), (10, 6418832), (14, 4584880), (16, 4011770), (20, 3209416), (28, 2292440), (32, 2005885), (35, 1833952), (40, 1604708), (56, 1146220), (70, 916976), (80, 802354), (112, 573110), (140, 458488), (160, 401177), (223, 287840), (224, 286555), (257, 249760), (280, 229244), (446, 143920), (514, 124880), (560, 114622), (892, 71960), (1028, 62440), (1115, 57568), (1120, 57311), (1285, 49952), (1561, 41120), (1784, 35980), (1799, 35680), (2056, 31220), (2230, 28784), (2570, 24976), (3122, 20560), (3568, 17990), (3598, 17840), (4112, 15610), (4460, 14392), (5140, 12488), (6244, 10280), (7136, 8995), (7196, 8920), (7805, 8224)]