1231248760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{577}}^1\times {\mathrm{7621}}^1$

素因数の和:8216

約数の個数: 64

約数和(自身を含む): 3171971520

約数和(自身を除く): 1940722760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 577, 1154, 2308, 2885, 4039, 4616, 5770, 7621, 8078, 11540, 15242, 16156, 20195, 23080, 30484, 32312, 38105, 40390, 53347, 60968, 76210, 80780, 106694, 152420, 161560, 213388, 266735, 304840, 426776, 533470, 1066940, 2133880, 4397317, 8794634, 17589268, 21986585, 30781219, 35178536, 43973170, 61562438, 87946340, 123124876, 153906095, 175892680, 246249752, 307812190, 615624380, 1231248760]

約数ペア:

[(1, 1231248760), (2, 615624380), (4, 307812190), (5, 246249752), (7, 175892680), (8, 153906095), (10, 123124876), (14, 87946340), (20, 61562438), (28, 43973170), (35, 35178536), (40, 30781219), (56, 21986585), (70, 17589268), (140, 8794634), (280, 4397317), (577, 2133880), (1154, 1066940), (2308, 533470), (2885, 426776), (4039, 304840), (4616, 266735), (5770, 213388), (7621, 161560), (8078, 152420), (11540, 106694), (15242, 80780), (16156, 76210), (20195, 60968), (23080, 53347), (30484, 40390), (32312, 38105)]