128391816

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 192

約数和(自身を含む): 405993600

約数和(自身を除く): 277601784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 29, 38, 42, 56, 57, 58, 73, 76, 84, 87, 114, 116, 133, 146, 152, 168, 174, 203, 219, 228, 232, 266, 292, 348, 361, 399, 406, 438, 456, 511, 532, 551, 584, 609, 696, 722, 798, 812, 876, 1022, 1064, 1083, 1102, 1218, 1387, 1444, 1533, 1596, 1624, 1653, 1752, 2044, 2117, 2166, 2204, 2436, 2527, 2774, 2888, 3066, 3192, 3306, 3857, 4088, 4161, 4234, 4332, 4408, 4872, 5054, 5548, 6132, 6351, 6612, 7581, 7714, 8322, 8468, 8664, 9709, 10108, 10469, 11096, 11571, 12264, 12702, 13224, 14819, 15162, 15428, 16644, 16936, 19418, 20216, 20938, 23142, 25404, 26353, 29127, 29638, 30324, 30856, 31407, 33288, 38836, 40223, 41876, 44457, 46284, 50808, 52706, 58254, 59276, 60648, 62814, 73283, 77672, 79059, 80446, 83752, 88914, 92568, 105412, 116508, 118552, 120669, 125628, 146566, 158118, 160892, 177828, 184471, 210824, 219849, 233016, 241338, 251256, 281561, 293132, 316236, 321784, 355656, 368942, 439698, 482676, 553413, 563122, 586264, 632472, 737884, 764237, 844683, 879396, 965352, 1106826, 1126244, 1475768, 1528474, 1689366, 1758792, 2213652, 2252488, 2292711, 3056948, 3378732, 4427304, 4585422, 5349659, 6113896, 6757464, 9170844, 10699318, 16048977, 18341688, 21398636, 32097954, 42797272, 64195908, 128391816]

約数ペア:

[(1, 128391816), (2, 64195908), (3, 42797272), (4, 32097954), (6, 21398636), (7, 18341688), (8, 16048977), (12, 10699318), (14, 9170844), (19, 6757464), (21, 6113896), (24, 5349659), (28, 4585422), (29, 4427304), (38, 3378732), (42, 3056948), (56, 2292711), (57, 2252488), (58, 2213652), (73, 1758792), (76, 1689366), (84, 1528474), (87, 1475768), (114, 1126244), (116, 1106826), (133, 965352), (146, 879396), (152, 844683), (168, 764237), (174, 737884), (203, 632472), (219, 586264), (228, 563122), (232, 553413), (266, 482676), (292, 439698), (348, 368942), (361, 355656), (399, 321784), (406, 316236), (438, 293132), (456, 281561), (511, 251256), (532, 241338), (551, 233016), (584, 219849), (609, 210824), (696, 184471), (722, 177828), (798, 160892), (812, 158118), (876, 146566), (1022, 125628), (1064, 120669), (1083, 118552), (1102, 116508), (1218, 105412), (1387, 92568), (1444, 88914), (1533, 83752), (1596, 80446), (1624, 79059), (1653, 77672), (1752, 73283), (2044, 62814), (2117, 60648), (2166, 59276), (2204, 58254), (2436, 52706), (2527, 50808), (2774, 46284), (2888, 44457), (3066, 41876), (3192, 40223), (3306, 38836), (3857, 33288), (4088, 31407), (4161, 30856), (4234, 30324), (4332, 29638), (4408, 29127), (4872, 26353), (5054, 25404), (5548, 23142), (6132, 20938), (6351, 20216), (6612, 19418), (7581, 16936), (7714, 16644), (8322, 15428), (8468, 15162), (8664, 14819), (9709, 13224), (10108, 12702), (10469, 12264), (11096, 11571)]