287004880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:461

約数の個数: 160

約数和(自身を含む): 771379200

約数和(自身を除く): 484374320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 29, 34, 38, 40, 58, 68, 76, 80, 85, 95, 116, 136, 145, 152, 170, 190, 232, 272, 290, 304, 323, 340, 380, 383, 464, 493, 551, 580, 646, 680, 760, 766, 986, 1102, 1160, 1292, 1360, 1520, 1532, 1615, 1915, 1972, 2204, 2320, 2465, 2584, 2755, 3064, 3230, 3830, 3944, 4408, 4930, 5168, 5510, 6128, 6460, 6511, 7277, 7660, 7888, 8816, 9367, 9860, 11020, 11107, 12920, 13022, 14554, 15320, 18734, 19720, 22040, 22214, 25840, 26044, 29108, 30640, 32555, 36385, 37468, 39440, 44080, 44428, 46835, 52088, 55535, 58216, 65110, 72770, 74936, 88856, 93670, 104176, 111070, 116432, 123709, 130220, 145540, 149872, 177712, 187340, 188819, 211033, 222140, 247418, 260440, 291080, 374680, 377638, 422066, 444280, 494836, 520880, 582160, 618545, 749360, 755276, 844132, 888560, 944095, 989672, 1055165, 1237090, 1510552, 1688264, 1888190, 1979344, 2110330, 2474180, 3021104, 3376528, 3587561, 3776380, 4220660, 4948360, 7175122, 7552760, 8441320, 9896720, 14350244, 15105520, 16882640, 17937805, 28700488, 35875610, 57400976, 71751220, 143502440, 287004880]

約数ペア:

[(1, 287004880), (2, 143502440), (4, 71751220), (5, 57400976), (8, 35875610), (10, 28700488), (16, 17937805), (17, 16882640), (19, 15105520), (20, 14350244), (29, 9896720), (34, 8441320), (38, 7552760), (40, 7175122), (58, 4948360), (68, 4220660), (76, 3776380), (80, 3587561), (85, 3376528), (95, 3021104), (116, 2474180), (136, 2110330), (145, 1979344), (152, 1888190), (170, 1688264), (190, 1510552), (232, 1237090), (272, 1055165), (290, 989672), (304, 944095), (323, 888560), (340, 844132), (380, 755276), (383, 749360), (464, 618545), (493, 582160), (551, 520880), (580, 494836), (646, 444280), (680, 422066), (760, 377638), (766, 374680), (986, 291080), (1102, 260440), (1160, 247418), (1292, 222140), (1360, 211033), (1520, 188819), (1532, 187340), (1615, 177712), (1915, 149872), (1972, 145540), (2204, 130220), (2320, 123709), (2465, 116432), (2584, 111070), (2755, 104176), (3064, 93670), (3230, 88856), (3830, 74936), (3944, 72770), (4408, 65110), (4930, 58216), (5168, 55535), (5510, 52088), (6128, 46835), (6460, 44428), (6511, 44080), (7277, 39440), (7660, 37468), (7888, 36385), (8816, 32555), (9367, 30640), (9860, 29108), (11020, 26044), (11107, 25840), (12920, 22214), (13022, 22040), (14554, 19720), (15320, 18734)]