128547984

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1021}}^1$

素因数の和:1136

約数の個数: 80

約数和(自身を含む): 345713984

約数和(自身を除く): 217166000

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 61, 86, 122, 129, 172, 183, 244, 258, 344, 366, 488, 516, 688, 732, 976, 1021, 1032, 1464, 2042, 2064, 2623, 2928, 3063, 4084, 5246, 6126, 7869, 8168, 10492, 12252, 15738, 16336, 20984, 24504, 31476, 41968, 43903, 49008, 62281, 62952, 87806, 124562, 125904, 131709, 175612, 186843, 249124, 263418, 351224, 373686, 498248, 526836, 702448, 747372, 996496, 1053672, 1494744, 2107344, 2678083, 2989488, 5356166, 8034249, 10712332, 16068498, 21424664, 32136996, 42849328, 64273992, 128547984]

約数ペア:

[(1, 128547984), (2, 64273992), (3, 42849328), (4, 32136996), (6, 21424664), (8, 16068498), (12, 10712332), (16, 8034249), (24, 5356166), (43, 2989488), (48, 2678083), (61, 2107344), (86, 1494744), (122, 1053672), (129, 996496), (172, 747372), (183, 702448), (244, 526836), (258, 498248), (344, 373686), (366, 351224), (488, 263418), (516, 249124), (688, 186843), (732, 175612), (976, 131709), (1021, 125904), (1032, 124562), (1464, 87806), (2042, 62952), (2064, 62281), (2623, 49008), (2928, 43903), (3063, 41968), (4084, 31476), (5246, 24504), (6126, 20984), (7869, 16336), (8168, 15738), (10492, 12252)]