281877680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1021}}^1$

素因数の和:1087

約数の個数: 160

約数和(自身を含む): 821197440

約数和(自身を除く): 539319760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 29, 34, 35, 40, 56, 58, 68, 70, 80, 85, 112, 116, 119, 136, 140, 145, 170, 203, 232, 238, 272, 280, 290, 340, 406, 464, 476, 493, 560, 580, 595, 680, 812, 952, 986, 1015, 1021, 1160, 1190, 1360, 1624, 1904, 1972, 2030, 2042, 2320, 2380, 2465, 3248, 3451, 3944, 4060, 4084, 4760, 4930, 5105, 6902, 7147, 7888, 8120, 8168, 9520, 9860, 10210, 13804, 14294, 16240, 16336, 17255, 17357, 19720, 20420, 27608, 28588, 29609, 34510, 34714, 35735, 39440, 40840, 55216, 57176, 59218, 69020, 69428, 71470, 81680, 86785, 114352, 118436, 121499, 138040, 138856, 142940, 148045, 173570, 207263, 236872, 242998, 276080, 277712, 285880, 296090, 347140, 414526, 473744, 485996, 503353, 571760, 592180, 607495, 694280, 829052, 971992, 1006706, 1036315, 1184360, 1214990, 1388560, 1658104, 1943984, 2013412, 2072630, 2368720, 2429980, 2516765, 3316208, 3523471, 4026824, 4145260, 4859960, 5033530, 7046942, 8053648, 8290520, 9719920, 10067060, 14093884, 16581040, 17617355, 20134120, 28187768, 35234710, 40268240, 56375536, 70469420, 140938840, 281877680]

約数ペア:

[(1, 281877680), (2, 140938840), (4, 70469420), (5, 56375536), (7, 40268240), (8, 35234710), (10, 28187768), (14, 20134120), (16, 17617355), (17, 16581040), (20, 14093884), (28, 10067060), (29, 9719920), (34, 8290520), (35, 8053648), (40, 7046942), (56, 5033530), (58, 4859960), (68, 4145260), (70, 4026824), (80, 3523471), (85, 3316208), (112, 2516765), (116, 2429980), (119, 2368720), (136, 2072630), (140, 2013412), (145, 1943984), (170, 1658104), (203, 1388560), (232, 1214990), (238, 1184360), (272, 1036315), (280, 1006706), (290, 971992), (340, 829052), (406, 694280), (464, 607495), (476, 592180), (493, 571760), (560, 503353), (580, 485996), (595, 473744), (680, 414526), (812, 347140), (952, 296090), (986, 285880), (1015, 277712), (1021, 276080), (1160, 242998), (1190, 236872), (1360, 207263), (1624, 173570), (1904, 148045), (1972, 142940), (2030, 138856), (2042, 138040), (2320, 121499), (2380, 118436), (2465, 114352), (3248, 86785), (3451, 81680), (3944, 71470), (4060, 69428), (4084, 69020), (4760, 59218), (4930, 57176), (5105, 55216), (6902, 40840), (7147, 39440), (7888, 35735), (8120, 34714), (8168, 34510), (9520, 29609), (9860, 28588), (10210, 27608), (13804, 20420), (14294, 19720), (16240, 17357), (16336, 17255)]