128385648

素因数分解:

$2^4\times 3^8\times {\mathrm{1223}}^1$

素因数の和:1255

約数の個数: 90

約数和(自身を含む): 373406904

約数和(自身を除く): 245021256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 729, 972, 1223, 1296, 1458, 1944, 2187, 2446, 2916, 3669, 3888, 4374, 4892, 5832, 6561, 7338, 8748, 9784, 11007, 11664, 13122, 14676, 17496, 19568, 22014, 26244, 29352, 33021, 34992, 44028, 52488, 58704, 66042, 88056, 99063, 104976, 132084, 176112, 198126, 264168, 297189, 396252, 528336, 594378, 792504, 891567, 1188756, 1585008, 1783134, 2377512, 2674701, 3566268, 4755024, 5349402, 7132536, 8024103, 10698804, 14265072, 16048206, 21397608, 32096412, 42795216, 64192824, 128385648]

約数ペア:

[(1, 128385648), (2, 64192824), (3, 42795216), (4, 32096412), (6, 21397608), (8, 16048206), (9, 14265072), (12, 10698804), (16, 8024103), (18, 7132536), (24, 5349402), (27, 4755024), (36, 3566268), (48, 2674701), (54, 2377512), (72, 1783134), (81, 1585008), (108, 1188756), (144, 891567), (162, 792504), (216, 594378), (243, 528336), (324, 396252), (432, 297189), (486, 264168), (648, 198126), (729, 176112), (972, 132084), (1223, 104976), (1296, 99063), (1458, 88056), (1944, 66042), (2187, 58704), (2446, 52488), (2916, 44028), (3669, 34992), (3888, 33021), (4374, 29352), (4892, 26244), (5832, 22014), (6561, 19568), (7338, 17496), (8748, 14676), (9784, 13122), (11007, 11664)]