71290120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 187142400

約数和(自身を除く): 115852280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 37, 40, 44, 55, 58, 74, 88, 110, 116, 145, 148, 151, 185, 220, 232, 290, 296, 302, 319, 370, 407, 440, 580, 604, 638, 740, 755, 814, 1073, 1160, 1208, 1276, 1480, 1510, 1595, 1628, 1661, 2035, 2146, 2552, 3020, 3190, 3256, 3322, 4070, 4292, 4379, 5365, 5587, 6040, 6380, 6644, 8140, 8305, 8584, 8758, 10730, 11174, 11803, 12760, 13288, 16280, 16610, 17516, 21460, 21895, 22348, 23606, 27935, 33220, 35032, 42920, 43790, 44696, 47212, 48169, 55870, 59015, 61457, 66440, 87580, 94424, 96338, 111740, 118030, 122914, 162023, 175160, 192676, 223480, 236060, 240845, 245828, 307285, 324046, 385352, 472120, 481690, 491656, 614570, 648092, 810115, 963380, 1229140, 1296184, 1620230, 1782253, 1926760, 2458280, 3240460, 3564506, 6480920, 7129012, 8911265, 14258024, 17822530, 35645060, 71290120]

約数ペア:

[(1, 71290120), (2, 35645060), (4, 17822530), (5, 14258024), (8, 8911265), (10, 7129012), (11, 6480920), (20, 3564506), (22, 3240460), (29, 2458280), (37, 1926760), (40, 1782253), (44, 1620230), (55, 1296184), (58, 1229140), (74, 963380), (88, 810115), (110, 648092), (116, 614570), (145, 491656), (148, 481690), (151, 472120), (185, 385352), (220, 324046), (232, 307285), (290, 245828), (296, 240845), (302, 236060), (319, 223480), (370, 192676), (407, 175160), (440, 162023), (580, 122914), (604, 118030), (638, 111740), (740, 96338), (755, 94424), (814, 87580), (1073, 66440), (1160, 61457), (1208, 59015), (1276, 55870), (1480, 48169), (1510, 47212), (1595, 44696), (1628, 43790), (1661, 42920), (2035, 35032), (2146, 33220), (2552, 27935), (3020, 23606), (3190, 22348), (3256, 21895), (3322, 21460), (4070, 17516), (4292, 16610), (4379, 16280), (5365, 13288), (5587, 12760), (6040, 11803), (6380, 11174), (6644, 10730), (8140, 8758), (8305, 8584)]