79131640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 213736320

約数和(自身を除く): 134604680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 61, 70, 82, 113, 122, 140, 164, 205, 226, 244, 280, 287, 305, 328, 410, 427, 452, 488, 565, 574, 610, 791, 820, 854, 904, 1130, 1148, 1220, 1435, 1582, 1640, 1708, 2135, 2260, 2296, 2440, 2501, 2870, 3164, 3416, 3955, 4270, 4520, 4633, 5002, 5740, 6328, 6893, 7910, 8540, 9266, 10004, 11480, 12505, 13786, 15820, 17080, 17507, 18532, 20008, 23165, 25010, 27572, 31640, 32431, 34465, 35014, 37064, 46330, 48251, 50020, 55144, 64862, 68930, 70028, 87535, 92660, 96502, 100040, 129724, 137860, 140056, 162155, 175070, 185320, 193004, 241255, 259448, 275720, 282613, 324310, 350140, 386008, 482510, 565226, 648620, 700280, 965020, 1130452, 1297240, 1413065, 1930040, 1978291, 2260904, 2826130, 3956582, 5652260, 7913164, 9891455, 11304520, 15826328, 19782910, 39565820, 79131640]

約数ペア:

[(1, 79131640), (2, 39565820), (4, 19782910), (5, 15826328), (7, 11304520), (8, 9891455), (10, 7913164), (14, 5652260), (20, 3956582), (28, 2826130), (35, 2260904), (40, 1978291), (41, 1930040), (56, 1413065), (61, 1297240), (70, 1130452), (82, 965020), (113, 700280), (122, 648620), (140, 565226), (164, 482510), (205, 386008), (226, 350140), (244, 324310), (280, 282613), (287, 275720), (305, 259448), (328, 241255), (410, 193004), (427, 185320), (452, 175070), (488, 162155), (565, 140056), (574, 137860), (610, 129724), (791, 100040), (820, 96502), (854, 92660), (904, 87535), (1130, 70028), (1148, 68930), (1220, 64862), (1435, 55144), (1582, 50020), (1640, 48251), (1708, 46330), (2135, 37064), (2260, 35014), (2296, 34465), (2440, 32431), (2501, 31640), (2870, 27572), (3164, 25010), (3416, 23165), (3955, 20008), (4270, 18532), (4520, 17507), (4633, 17080), (5002, 15820), (5740, 13786), (6328, 12505), (6893, 11480), (7910, 10004), (8540, 9266)]