77871640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:353

約数の個数: 128

約数和(自身を含む): 221253120

約数和(自身を除く): 143381480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 131, 140, 154, 193, 220, 262, 280, 308, 385, 386, 440, 524, 616, 655, 770, 772, 917, 965, 1048, 1310, 1351, 1441, 1540, 1544, 1834, 1930, 2123, 2620, 2702, 2882, 3080, 3668, 3860, 4246, 4585, 5240, 5404, 5764, 6755, 7205, 7336, 7720, 8492, 9170, 10087, 10615, 10808, 11528, 13510, 14410, 14861, 16984, 18340, 20174, 21230, 25283, 27020, 28820, 29722, 36680, 40348, 42460, 50435, 50566, 54040, 57640, 59444, 74305, 80696, 84920, 100870, 101132, 118888, 126415, 148610, 176981, 201740, 202264, 252830, 278113, 297220, 353962, 403480, 505660, 556226, 594440, 707924, 884905, 1011320, 1112452, 1390565, 1415848, 1769810, 1946791, 2224904, 2781130, 3539620, 3893582, 5562260, 7079240, 7787164, 9733955, 11124520, 15574328, 19467910, 38935820, 77871640]

約数ペア:

[(1, 77871640), (2, 38935820), (4, 19467910), (5, 15574328), (7, 11124520), (8, 9733955), (10, 7787164), (11, 7079240), (14, 5562260), (20, 3893582), (22, 3539620), (28, 2781130), (35, 2224904), (40, 1946791), (44, 1769810), (55, 1415848), (56, 1390565), (70, 1112452), (77, 1011320), (88, 884905), (110, 707924), (131, 594440), (140, 556226), (154, 505660), (193, 403480), (220, 353962), (262, 297220), (280, 278113), (308, 252830), (385, 202264), (386, 201740), (440, 176981), (524, 148610), (616, 126415), (655, 118888), (770, 101132), (772, 100870), (917, 84920), (965, 80696), (1048, 74305), (1310, 59444), (1351, 57640), (1441, 54040), (1540, 50566), (1544, 50435), (1834, 42460), (1930, 40348), (2123, 36680), (2620, 29722), (2702, 28820), (2882, 27020), (3080, 25283), (3668, 21230), (3860, 20174), (4246, 18340), (4585, 16984), (5240, 14861), (5404, 14410), (5764, 13510), (6755, 11528), (7205, 10808), (7336, 10615), (7720, 10087), (8492, 9170)]