71666540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:335

約数の個数: 96

約数和(自身を含む): 174182400

約数和(自身を除く): 102515860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 47, 55, 58, 94, 110, 116, 145, 188, 220, 235, 239, 290, 319, 470, 478, 517, 580, 638, 940, 956, 1034, 1195, 1276, 1363, 1595, 2068, 2390, 2585, 2629, 2726, 3190, 4780, 5170, 5258, 5452, 6380, 6815, 6931, 10340, 10516, 11233, 13145, 13630, 13862, 14993, 22466, 26290, 27260, 27724, 29986, 34655, 44932, 52580, 56165, 59972, 69310, 74965, 76241, 112330, 123563, 138620, 149930, 152482, 224660, 247126, 299860, 304964, 325757, 381205, 494252, 617815, 651514, 762410, 1235630, 1303028, 1524820, 1628785, 2471260, 3257570, 3583327, 6515140, 7166654, 14333308, 17916635, 35833270, 71666540]

約数ペア:

[(1, 71666540), (2, 35833270), (4, 17916635), (5, 14333308), (10, 7166654), (11, 6515140), (20, 3583327), (22, 3257570), (29, 2471260), (44, 1628785), (47, 1524820), (55, 1303028), (58, 1235630), (94, 762410), (110, 651514), (116, 617815), (145, 494252), (188, 381205), (220, 325757), (235, 304964), (239, 299860), (290, 247126), (319, 224660), (470, 152482), (478, 149930), (517, 138620), (580, 123563), (638, 112330), (940, 76241), (956, 74965), (1034, 69310), (1195, 59972), (1276, 56165), (1363, 52580), (1595, 44932), (2068, 34655), (2390, 29986), (2585, 27724), (2629, 27260), (2726, 26290), (3190, 22466), (4780, 14993), (5170, 13862), (5258, 13630), (5452, 13145), (6380, 11233), (6815, 10516), (6931, 10340)]