27712720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 160

約数和(自身を含む): 80994816

約数和(自身を除く): 53282096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 41, 56, 68, 70, 71, 80, 82, 85, 112, 119, 136, 140, 142, 164, 170, 205, 238, 272, 280, 284, 287, 328, 340, 355, 410, 476, 497, 560, 568, 574, 595, 656, 680, 697, 710, 820, 952, 994, 1136, 1148, 1190, 1207, 1360, 1394, 1420, 1435, 1640, 1904, 1988, 2296, 2380, 2414, 2485, 2788, 2840, 2870, 2911, 3280, 3485, 3976, 4592, 4760, 4828, 4879, 4970, 5576, 5680, 5740, 5822, 6035, 6970, 7952, 8449, 9520, 9656, 9758, 9940, 11152, 11480, 11644, 12070, 13940, 14555, 16898, 19312, 19516, 19880, 20377, 22960, 23288, 24140, 24395, 27880, 29110, 33796, 39032, 39760, 40754, 42245, 46576, 48280, 48790, 49487, 55760, 58220, 67592, 78064, 81508, 84490, 96560, 97580, 98974, 101885, 116440, 135184, 163016, 168980, 195160, 197948, 203770, 232880, 247435, 326032, 337960, 346409, 390320, 395896, 407540, 494870, 675920, 692818, 791792, 815080, 989740, 1385636, 1630160, 1732045, 1979480, 2771272, 3464090, 3958960, 5542544, 6928180, 13856360, 27712720]

約数ペア:

[(1, 27712720), (2, 13856360), (4, 6928180), (5, 5542544), (7, 3958960), (8, 3464090), (10, 2771272), (14, 1979480), (16, 1732045), (17, 1630160), (20, 1385636), (28, 989740), (34, 815080), (35, 791792), (40, 692818), (41, 675920), (56, 494870), (68, 407540), (70, 395896), (71, 390320), (80, 346409), (82, 337960), (85, 326032), (112, 247435), (119, 232880), (136, 203770), (140, 197948), (142, 195160), (164, 168980), (170, 163016), (205, 135184), (238, 116440), (272, 101885), (280, 98974), (284, 97580), (287, 96560), (328, 84490), (340, 81508), (355, 78064), (410, 67592), (476, 58220), (497, 55760), (560, 49487), (568, 48790), (574, 48280), (595, 46576), (656, 42245), (680, 40754), (697, 39760), (710, 39032), (820, 33796), (952, 29110), (994, 27880), (1136, 24395), (1148, 24140), (1190, 23288), (1207, 22960), (1360, 20377), (1394, 19880), (1420, 19516), (1435, 19312), (1640, 16898), (1904, 14555), (1988, 13940), (2296, 12070), (2380, 11644), (2414, 11480), (2485, 11152), (2788, 9940), (2840, 9758), (2870, 9656), (2911, 9520), (3280, 8449), (3485, 7952), (3976, 6970), (4592, 6035), (4760, 5822), (4828, 5740), (4879, 5680), (4970, 5576)]