80676648

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:249

約数の個数: 160

約数和(自身を含む): 248916360

約数和(自身を除く): 168239712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 61, 72, 78, 81, 104, 108, 117, 122, 156, 157, 162, 183, 216, 234, 244, 312, 314, 324, 351, 366, 468, 471, 488, 549, 628, 648, 702, 732, 793, 936, 942, 1053, 1098, 1256, 1404, 1413, 1464, 1586, 1647, 1884, 2041, 2106, 2196, 2379, 2808, 2826, 3172, 3294, 3768, 4082, 4212, 4239, 4392, 4758, 4941, 5652, 6123, 6344, 6588, 7137, 8164, 8424, 8478, 9516, 9577, 9882, 11304, 12246, 12717, 13176, 14274, 16328, 16956, 18369, 19032, 19154, 19764, 21411, 24492, 25434, 28548, 28731, 33912, 36738, 38308, 39528, 42822, 48984, 50868, 55107, 57096, 57462, 64233, 73476, 76616, 85644, 86193, 101736, 110214, 114924, 124501, 128466, 146952, 165321, 171288, 172386, 220428, 229848, 249002, 256932, 258579, 330642, 344772, 373503, 440856, 498004, 513864, 517158, 661284, 689544, 747006, 775737, 996008, 1034316, 1120509, 1322568, 1494012, 1551474, 2068632, 2241018, 2988024, 3102948, 3361527, 4482036, 6205896, 6723054, 8964072, 10084581, 13446108, 20169162, 26892216, 40338324, 80676648]

約数ペア:

[(1, 80676648), (2, 40338324), (3, 26892216), (4, 20169162), (6, 13446108), (8, 10084581), (9, 8964072), (12, 6723054), (13, 6205896), (18, 4482036), (24, 3361527), (26, 3102948), (27, 2988024), (36, 2241018), (39, 2068632), (52, 1551474), (54, 1494012), (61, 1322568), (72, 1120509), (78, 1034316), (81, 996008), (104, 775737), (108, 747006), (117, 689544), (122, 661284), (156, 517158), (157, 513864), (162, 498004), (183, 440856), (216, 373503), (234, 344772), (244, 330642), (312, 258579), (314, 256932), (324, 249002), (351, 229848), (366, 220428), (468, 172386), (471, 171288), (488, 165321), (549, 146952), (628, 128466), (648, 124501), (702, 114924), (732, 110214), (793, 101736), (936, 86193), (942, 85644), (1053, 76616), (1098, 73476), (1256, 64233), (1404, 57462), (1413, 57096), (1464, 55107), (1586, 50868), (1647, 48984), (1884, 42822), (2041, 39528), (2106, 38308), (2196, 36738), (2379, 33912), (2808, 28731), (2826, 28548), (3172, 25434), (3294, 24492), (3768, 21411), (4082, 19764), (4212, 19154), (4239, 19032), (4392, 18369), (4758, 16956), (4941, 16328), (5652, 14274), (6123, 13176), (6344, 12717), (6588, 12246), (7137, 11304), (8164, 9882), (8424, 9577), (8478, 9516)]