86830520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:277

約数の個数: 128

約数和(自身を含む): 237081600

約数和(自身を除く): 150251080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 97, 115, 139, 140, 161, 184, 194, 230, 278, 280, 322, 388, 460, 485, 556, 644, 679, 695, 776, 805, 920, 970, 973, 1112, 1288, 1358, 1390, 1610, 1940, 1946, 2231, 2716, 2780, 3197, 3220, 3395, 3880, 3892, 4462, 4865, 5432, 5560, 6394, 6440, 6790, 7784, 8924, 9730, 11155, 12788, 13483, 13580, 15617, 15985, 17848, 19460, 22310, 22379, 25576, 26966, 27160, 31234, 31970, 38920, 44620, 44758, 53932, 62468, 63940, 67415, 78085, 89240, 89516, 94381, 107864, 111895, 124936, 127880, 134830, 156170, 179032, 188762, 223790, 269660, 310109, 312340, 377524, 447580, 471905, 539320, 620218, 624680, 755048, 895160, 943810, 1240436, 1550545, 1887620, 2170763, 2480872, 3101090, 3775240, 4341526, 6202180, 8683052, 10853815, 12404360, 17366104, 21707630, 43415260, 86830520]

約数ペア:

[(1, 86830520), (2, 43415260), (4, 21707630), (5, 17366104), (7, 12404360), (8, 10853815), (10, 8683052), (14, 6202180), (20, 4341526), (23, 3775240), (28, 3101090), (35, 2480872), (40, 2170763), (46, 1887620), (56, 1550545), (70, 1240436), (92, 943810), (97, 895160), (115, 755048), (139, 624680), (140, 620218), (161, 539320), (184, 471905), (194, 447580), (230, 377524), (278, 312340), (280, 310109), (322, 269660), (388, 223790), (460, 188762), (485, 179032), (556, 156170), (644, 134830), (679, 127880), (695, 124936), (776, 111895), (805, 107864), (920, 94381), (970, 89516), (973, 89240), (1112, 78085), (1288, 67415), (1358, 63940), (1390, 62468), (1610, 53932), (1940, 44758), (1946, 44620), (2231, 38920), (2716, 31970), (2780, 31234), (3197, 27160), (3220, 26966), (3395, 25576), (3880, 22379), (3892, 22310), (4462, 19460), (4865, 17848), (5432, 15985), (5560, 15617), (6394, 13580), (6440, 13483), (6790, 12788), (7784, 11155), (8924, 9730)]