78894960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:411

約数の個数: 160

約数和(自身を含む): 264036672

約数和(自身を除く): 185141712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 61, 68, 80, 85, 102, 120, 122, 136, 170, 183, 204, 240, 244, 255, 272, 305, 317, 340, 366, 408, 488, 510, 610, 634, 680, 732, 816, 915, 951, 976, 1020, 1037, 1220, 1268, 1360, 1464, 1585, 1830, 1902, 2040, 2074, 2440, 2536, 2928, 3111, 3170, 3660, 3804, 4080, 4148, 4755, 4880, 5072, 5185, 5389, 6222, 6340, 7320, 7608, 8296, 9510, 10370, 10778, 12444, 12680, 14640, 15216, 15555, 16167, 16592, 19020, 19337, 20740, 21556, 24888, 25360, 26945, 31110, 32334, 38040, 38674, 41480, 43112, 49776, 53890, 58011, 62220, 64668, 76080, 77348, 80835, 82960, 86224, 96685, 107780, 116022, 124440, 129336, 154696, 161670, 193370, 215560, 232044, 248880, 258672, 290055, 309392, 323340, 328729, 386740, 431120, 464088, 580110, 646680, 657458, 773480, 928176, 986187, 1160220, 1293360, 1314916, 1546960, 1643645, 1972374, 2320440, 2629832, 3287290, 3944748, 4640880, 4930935, 5259664, 6574580, 7889496, 9861870, 13149160, 15778992, 19723740, 26298320, 39447480, 78894960]

約数ペア:

[(1, 78894960), (2, 39447480), (3, 26298320), (4, 19723740), (5, 15778992), (6, 13149160), (8, 9861870), (10, 7889496), (12, 6574580), (15, 5259664), (16, 4930935), (17, 4640880), (20, 3944748), (24, 3287290), (30, 2629832), (34, 2320440), (40, 1972374), (48, 1643645), (51, 1546960), (60, 1314916), (61, 1293360), (68, 1160220), (80, 986187), (85, 928176), (102, 773480), (120, 657458), (122, 646680), (136, 580110), (170, 464088), (183, 431120), (204, 386740), (240, 328729), (244, 323340), (255, 309392), (272, 290055), (305, 258672), (317, 248880), (340, 232044), (366, 215560), (408, 193370), (488, 161670), (510, 154696), (610, 129336), (634, 124440), (680, 116022), (732, 107780), (816, 96685), (915, 86224), (951, 82960), (976, 80835), (1020, 77348), (1037, 76080), (1220, 64668), (1268, 62220), (1360, 58011), (1464, 53890), (1585, 49776), (1830, 43112), (1902, 41480), (2040, 38674), (2074, 38040), (2440, 32334), (2536, 31110), (2928, 26945), (3111, 25360), (3170, 24888), (3660, 21556), (3804, 20740), (4080, 19337), (4148, 19020), (4755, 16592), (4880, 16167), (5072, 15555), (5185, 15216), (5389, 14640), (6222, 12680), (6340, 12444), (7320, 10778), (7608, 10370), (8296, 9510)]