145179440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1979}}^1$

素因数の和:2130

約数の個数: 80

約数和(自身を含む): 388903680

約数和(自身を除く): 243724240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 131, 140, 262, 280, 524, 560, 655, 917, 1048, 1310, 1834, 1979, 2096, 2620, 3668, 3958, 4585, 5240, 7336, 7916, 9170, 9895, 10480, 13853, 14672, 15832, 18340, 19790, 27706, 31664, 36680, 39580, 55412, 69265, 73360, 79160, 110824, 138530, 158320, 221648, 259249, 277060, 518498, 554120, 1036996, 1108240, 1296245, 1814743, 2073992, 2592490, 3629486, 4147984, 5184980, 7258972, 9073715, 10369960, 14517944, 18147430, 20739920, 29035888, 36294860, 72589720, 145179440]

約数ペア:

[(1, 145179440), (2, 72589720), (4, 36294860), (5, 29035888), (7, 20739920), (8, 18147430), (10, 14517944), (14, 10369960), (16, 9073715), (20, 7258972), (28, 5184980), (35, 4147984), (40, 3629486), (56, 2592490), (70, 2073992), (80, 1814743), (112, 1296245), (131, 1108240), (140, 1036996), (262, 554120), (280, 518498), (524, 277060), (560, 259249), (655, 221648), (917, 158320), (1048, 138530), (1310, 110824), (1834, 79160), (1979, 73360), (2096, 69265), (2620, 55412), (3668, 39580), (3958, 36680), (4585, 31664), (5240, 27706), (7336, 19790), (7916, 18340), (9170, 15832), (9895, 14672), (10480, 13853)]