81102560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:289

約数の個数: 192

約数和(自身を含む): 248209920

約数和(自身を除く): 167107360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 29, 32, 35, 40, 44, 55, 56, 58, 70, 77, 80, 88, 110, 112, 116, 140, 145, 154, 160, 176, 203, 220, 224, 227, 232, 280, 290, 308, 319, 352, 385, 406, 440, 454, 464, 560, 580, 616, 638, 770, 812, 880, 908, 928, 1015, 1120, 1135, 1160, 1232, 1276, 1540, 1589, 1595, 1624, 1760, 1816, 2030, 2233, 2270, 2320, 2464, 2497, 2552, 3080, 3178, 3190, 3248, 3632, 4060, 4466, 4540, 4640, 4994, 5104, 6160, 6356, 6380, 6496, 6583, 7264, 7945, 8120, 8932, 9080, 9988, 10208, 11165, 12320, 12485, 12712, 12760, 13166, 15890, 16240, 17479, 17864, 18160, 19976, 22330, 24970, 25424, 25520, 26332, 31780, 32480, 32915, 34958, 35728, 36320, 39952, 44660, 46081, 49940, 50848, 51040, 52664, 63560, 65830, 69916, 71456, 72413, 79904, 87395, 89320, 92162, 99880, 105328, 127120, 131660, 139832, 144826, 174790, 178640, 184324, 199760, 210656, 230405, 254240, 263320, 279664, 289652, 349580, 357280, 362065, 368648, 399520, 460810, 506891, 526640, 559328, 579304, 699160, 724130, 737296, 921620, 1013782, 1053280, 1158608, 1398320, 1448260, 1474592, 1843240, 2027564, 2317216, 2534455, 2796640, 2896520, 3686480, 4055128, 5068910, 5793040, 7372960, 8110256, 10137820, 11586080, 16220512, 20275640, 40551280, 81102560]

約数ペア:

[(1, 81102560), (2, 40551280), (4, 20275640), (5, 16220512), (7, 11586080), (8, 10137820), (10, 8110256), (11, 7372960), (14, 5793040), (16, 5068910), (20, 4055128), (22, 3686480), (28, 2896520), (29, 2796640), (32, 2534455), (35, 2317216), (40, 2027564), (44, 1843240), (55, 1474592), (56, 1448260), (58, 1398320), (70, 1158608), (77, 1053280), (80, 1013782), (88, 921620), (110, 737296), (112, 724130), (116, 699160), (140, 579304), (145, 559328), (154, 526640), (160, 506891), (176, 460810), (203, 399520), (220, 368648), (224, 362065), (227, 357280), (232, 349580), (280, 289652), (290, 279664), (308, 263320), (319, 254240), (352, 230405), (385, 210656), (406, 199760), (440, 184324), (454, 178640), (464, 174790), (560, 144826), (580, 139832), (616, 131660), (638, 127120), (770, 105328), (812, 99880), (880, 92162), (908, 89320), (928, 87395), (1015, 79904), (1120, 72413), (1135, 71456), (1160, 69916), (1232, 65830), (1276, 63560), (1540, 52664), (1589, 51040), (1595, 50848), (1624, 49940), (1760, 46081), (1816, 44660), (2030, 39952), (2233, 36320), (2270, 35728), (2320, 34958), (2464, 32915), (2497, 32480), (2552, 31780), (3080, 26332), (3178, 25520), (3190, 25424), (3248, 24970), (3632, 22330), (4060, 19976), (4466, 18160), (4540, 17864), (4640, 17479), (4994, 16240), (5104, 15890), (6160, 13166), (6356, 12760), (6380, 12712), (6496, 12485), (6583, 12320), (7264, 11165), (7945, 10208), (8120, 9988), (8932, 9080)]