278940144

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{233}}^1\times {\mathrm{509}}^1$

素因数の和:767

約数の個数: 120

約数和(自身を含む): 843495120

約数和(自身を除く): 564554976

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 147, 168, 196, 233, 294, 336, 392, 466, 509, 588, 699, 784, 932, 1018, 1176, 1398, 1527, 1631, 1864, 2036, 2352, 2796, 3054, 3262, 3563, 3728, 4072, 4893, 5592, 6108, 6524, 7126, 8144, 9786, 10689, 11184, 11417, 12216, 13048, 14252, 19572, 21378, 22834, 24432, 24941, 26096, 28504, 34251, 39144, 42756, 45668, 49882, 57008, 68502, 74823, 78288, 85512, 91336, 99764, 118597, 137004, 149646, 171024, 182672, 199528, 237194, 274008, 299292, 355791, 399056, 474388, 548016, 598584, 711582, 830179, 948776, 1197168, 1423164, 1660358, 1897552, 2490537, 2846328, 3320716, 4981074, 5692656, 5811253, 6641432, 9962148, 11622506, 13282864, 17433759, 19924296, 23245012, 34867518, 39848592, 46490024, 69735036, 92980048, 139470072, 278940144]

約数ペア:

[(1, 278940144), (2, 139470072), (3, 92980048), (4, 69735036), (6, 46490024), (7, 39848592), (8, 34867518), (12, 23245012), (14, 19924296), (16, 17433759), (21, 13282864), (24, 11622506), (28, 9962148), (42, 6641432), (48, 5811253), (49, 5692656), (56, 4981074), (84, 3320716), (98, 2846328), (112, 2490537), (147, 1897552), (168, 1660358), (196, 1423164), (233, 1197168), (294, 948776), (336, 830179), (392, 711582), (466, 598584), (509, 548016), (588, 474388), (699, 399056), (784, 355791), (932, 299292), (1018, 274008), (1176, 237194), (1398, 199528), (1527, 182672), (1631, 171024), (1864, 149646), (2036, 137004), (2352, 118597), (2796, 99764), (3054, 91336), (3262, 85512), (3563, 78288), (3728, 74823), (4072, 68502), (4893, 57008), (5592, 49882), (6108, 45668), (6524, 42756), (7126, 39144), (8144, 34251), (9786, 28504), (10689, 26096), (11184, 24941), (11417, 24432), (12216, 22834), (13048, 21378), (14252, 19572)]