20780192760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1759}}^1\times {\mathrm{5791}}^1$

素因数の和:7581

約数の個数: 128

約数和(自身を含む): 66056601600

約数和(自身を除く): 45276408840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 1759, 2040, 3518, 5277, 5791, 7036, 8795, 10554, 11582, 14072, 17373, 17590, 21108, 23164, 26385, 28955, 29903, 34746, 35180, 42216, 46328, 52770, 57910, 59806, 69492, 70360, 86865, 89709, 98447, 105540, 115820, 119612, 138984, 149515, 173730, 179418, 196894, 211080, 231640, 239224, 295341, 299030, 347460, 358836, 393788, 448545, 492235, 590682, 598060, 694920, 717672, 787576, 897090, 984470, 1181364, 1196120, 1476705, 1794180, 1968940, 2362728, 2953410, 3588360, 3937880, 5906820, 10186369, 11813640, 20372738, 30559107, 40745476, 50931845, 61118214, 81490952, 101863690, 122236428, 152795535, 173168273, 203727380, 244472856, 305591070, 346336546, 407454760, 519504819, 611182140, 692673092, 865841365, 1039009638, 1222364280, 1385346184, 1731682730, 2078019276, 2597524095, 3463365460, 4156038552, 5195048190, 6926730920, 10390096380, 20780192760]

約数ペア:

[(1, 20780192760), (2, 10390096380), (3, 6926730920), (4, 5195048190), (5, 4156038552), (6, 3463365460), (8, 2597524095), (10, 2078019276), (12, 1731682730), (15, 1385346184), (17, 1222364280), (20, 1039009638), (24, 865841365), (30, 692673092), (34, 611182140), (40, 519504819), (51, 407454760), (60, 346336546), (68, 305591070), (85, 244472856), (102, 203727380), (120, 173168273), (136, 152795535), (170, 122236428), (204, 101863690), (255, 81490952), (340, 61118214), (408, 50931845), (510, 40745476), (680, 30559107), (1020, 20372738), (1759, 11813640), (2040, 10186369), (3518, 5906820), (5277, 3937880), (5791, 3588360), (7036, 2953410), (8795, 2362728), (10554, 1968940), (11582, 1794180), (14072, 1476705), (17373, 1196120), (17590, 1181364), (21108, 984470), (23164, 897090), (26385, 787576), (28955, 717672), (29903, 694920), (34746, 598060), (35180, 590682), (42216, 492235), (46328, 448545), (52770, 393788), (57910, 358836), (59806, 347460), (69492, 299030), (70360, 295341), (86865, 239224), (89709, 231640), (98447, 211080), (105540, 196894), (115820, 179418), (119612, 173730), (138984, 149515)]