81438768

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{367}}^1$

素因数の和:471

約数の個数: 120

約数和(自身を含む): 242032128

約数和(自身を除く): 160593360

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 67, 69, 72, 92, 134, 138, 144, 184, 201, 207, 268, 276, 367, 368, 402, 414, 536, 552, 603, 734, 804, 828, 1072, 1101, 1104, 1206, 1468, 1541, 1608, 1656, 2202, 2412, 2936, 3082, 3216, 3303, 3312, 4404, 4623, 4824, 5872, 6164, 6606, 8441, 8808, 9246, 9648, 12328, 13212, 13869, 16882, 17616, 18492, 24589, 24656, 25323, 26424, 27738, 33764, 36984, 49178, 50646, 52848, 55476, 67528, 73767, 73968, 75969, 98356, 101292, 110952, 135056, 147534, 151938, 196712, 202584, 221301, 221904, 295068, 303876, 393424, 405168, 442602, 565547, 590136, 607752, 885204, 1131094, 1180272, 1215504, 1696641, 1770408, 2262188, 3393282, 3540816, 4524376, 5089923, 6786564, 9048752, 10179846, 13573128, 20359692, 27146256, 40719384, 81438768]

約数ペア:

[(1, 81438768), (2, 40719384), (3, 27146256), (4, 20359692), (6, 13573128), (8, 10179846), (9, 9048752), (12, 6786564), (16, 5089923), (18, 4524376), (23, 3540816), (24, 3393282), (36, 2262188), (46, 1770408), (48, 1696641), (67, 1215504), (69, 1180272), (72, 1131094), (92, 885204), (134, 607752), (138, 590136), (144, 565547), (184, 442602), (201, 405168), (207, 393424), (268, 303876), (276, 295068), (367, 221904), (368, 221301), (402, 202584), (414, 196712), (536, 151938), (552, 147534), (603, 135056), (734, 110952), (804, 101292), (828, 98356), (1072, 75969), (1101, 73968), (1104, 73767), (1206, 67528), (1468, 55476), (1541, 52848), (1608, 50646), (1656, 49178), (2202, 36984), (2412, 33764), (2936, 27738), (3082, 26424), (3216, 25323), (3303, 24656), (3312, 24589), (4404, 18492), (4623, 17616), (4824, 16882), (5872, 13869), (6164, 13212), (6606, 12328), (8441, 9648), (8808, 9246)]