71004080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1231}}^1$

素因数の和:1354

約数の個数: 80

約数和(自身を含む): 190654464

約数和(自身を除く): 119650384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 103, 112, 140, 206, 280, 412, 515, 560, 721, 824, 1030, 1231, 1442, 1648, 2060, 2462, 2884, 3605, 4120, 4924, 5768, 6155, 7210, 8240, 8617, 9848, 11536, 12310, 14420, 17234, 19696, 24620, 28840, 34468, 43085, 49240, 57680, 68936, 86170, 98480, 126793, 137872, 172340, 253586, 344680, 507172, 633965, 689360, 887551, 1014344, 1267930, 1775102, 2028688, 2535860, 3550204, 4437755, 5071720, 7100408, 8875510, 10143440, 14200816, 17751020, 35502040, 71004080]

約数ペア:

[(1, 71004080), (2, 35502040), (4, 17751020), (5, 14200816), (7, 10143440), (8, 8875510), (10, 7100408), (14, 5071720), (16, 4437755), (20, 3550204), (28, 2535860), (35, 2028688), (40, 1775102), (56, 1267930), (70, 1014344), (80, 887551), (103, 689360), (112, 633965), (140, 507172), (206, 344680), (280, 253586), (412, 172340), (515, 137872), (560, 126793), (721, 98480), (824, 86170), (1030, 68936), (1231, 57680), (1442, 49240), (1648, 43085), (2060, 34468), (2462, 28840), (2884, 24620), (3605, 19696), (4120, 17234), (4924, 14420), (5768, 12310), (6155, 11536), (7210, 9848), (8240, 8617)]