279864

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1$

素因数の和:61

約数の個数: 72

約数和(自身を含む): 856440

約数和(自身を除く): 576576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 23, 24, 26, 36, 39, 46, 52, 69, 72, 78, 92, 104, 117, 138, 156, 169, 184, 207, 234, 276, 299, 312, 338, 414, 468, 507, 552, 598, 676, 828, 897, 936, 1014, 1196, 1352, 1521, 1656, 1794, 2028, 2392, 2691, 3042, 3588, 3887, 4056, 5382, 6084, 7176, 7774, 10764, 11661, 12168, 15548, 21528, 23322, 31096, 34983, 46644, 69966, 93288, 139932, 279864]

約数ペア:

[(1, 279864), (2, 139932), (3, 93288), (4, 69966), (6, 46644), (8, 34983), (9, 31096), (12, 23322), (13, 21528), (18, 15548), (23, 12168), (24, 11661), (26, 10764), (36, 7774), (39, 7176), (46, 6084), (52, 5382), (69, 4056), (72, 3887), (78, 3588), (92, 3042), (104, 2691), (117, 2392), (138, 2028), (156, 1794), (169, 1656), (184, 1521), (207, 1352), (234, 1196), (276, 1014), (299, 936), (312, 897), (338, 828), (414, 676), (468, 598), (507, 552)]