177687440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:241

約数の個数: 160

約数和(自身を含む): 494968320

約数和(自身を除く): 317280880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 71, 80, 82, 109, 112, 140, 142, 164, 205, 218, 280, 284, 287, 328, 355, 410, 436, 497, 545, 560, 568, 574, 656, 710, 763, 820, 872, 994, 1090, 1136, 1148, 1420, 1435, 1526, 1640, 1744, 1988, 2180, 2296, 2485, 2840, 2870, 2911, 3052, 3280, 3815, 3976, 4360, 4469, 4592, 4970, 5680, 5740, 5822, 6104, 7630, 7739, 7952, 8720, 8938, 9940, 11480, 11644, 12208, 14555, 15260, 15478, 17876, 19880, 20377, 22345, 22960, 23288, 29110, 30520, 30956, 31283, 35752, 38695, 39760, 40754, 44690, 46576, 54173, 58220, 61040, 61912, 62566, 71504, 77390, 81508, 89380, 101885, 108346, 116440, 123824, 125132, 154780, 156415, 163016, 178760, 203770, 216692, 232880, 250264, 270865, 309560, 312830, 317299, 326032, 357520, 407540, 433384, 500528, 541730, 619120, 625660, 634598, 815080, 866768, 1083460, 1251320, 1269196, 1586495, 1630160, 2166920, 2221093, 2502640, 2538392, 3172990, 4333840, 4442186, 5076784, 6345980, 8884372, 11105465, 12691960, 17768744, 22210930, 25383920, 35537488, 44421860, 88843720, 177687440]

約数ペア:

[(1, 177687440), (2, 88843720), (4, 44421860), (5, 35537488), (7, 25383920), (8, 22210930), (10, 17768744), (14, 12691960), (16, 11105465), (20, 8884372), (28, 6345980), (35, 5076784), (40, 4442186), (41, 4333840), (56, 3172990), (70, 2538392), (71, 2502640), (80, 2221093), (82, 2166920), (109, 1630160), (112, 1586495), (140, 1269196), (142, 1251320), (164, 1083460), (205, 866768), (218, 815080), (280, 634598), (284, 625660), (287, 619120), (328, 541730), (355, 500528), (410, 433384), (436, 407540), (497, 357520), (545, 326032), (560, 317299), (568, 312830), (574, 309560), (656, 270865), (710, 250264), (763, 232880), (820, 216692), (872, 203770), (994, 178760), (1090, 163016), (1136, 156415), (1148, 154780), (1420, 125132), (1435, 123824), (1526, 116440), (1640, 108346), (1744, 101885), (1988, 89380), (2180, 81508), (2296, 77390), (2485, 71504), (2840, 62566), (2870, 61912), (2911, 61040), (3052, 58220), (3280, 54173), (3815, 46576), (3976, 44690), (4360, 40754), (4469, 39760), (4592, 38695), (4970, 35752), (5680, 31283), (5740, 30956), (5822, 30520), (6104, 29110), (7630, 23288), (7739, 22960), (7952, 22345), (8720, 20377), (8938, 19880), (9940, 17876), (11480, 15478), (11644, 15260), (12208, 14555)]