69215720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1381}}^1$

素因数の和:1578

約数の個数: 64

約数和(自身を含む): 179107200

約数和(自身を除く): 109891480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 179, 280, 358, 716, 895, 1253, 1381, 1432, 1790, 2506, 2762, 3580, 5012, 5524, 6265, 6905, 7160, 9667, 10024, 11048, 12530, 13810, 19334, 25060, 27620, 38668, 48335, 50120, 55240, 77336, 96670, 193340, 247199, 386680, 494398, 988796, 1235995, 1730393, 1977592, 2471990, 3460786, 4943980, 6921572, 8651965, 9887960, 13843144, 17303930, 34607860, 69215720]

約数ペア:

[(1, 69215720), (2, 34607860), (4, 17303930), (5, 13843144), (7, 9887960), (8, 8651965), (10, 6921572), (14, 4943980), (20, 3460786), (28, 2471990), (35, 1977592), (40, 1730393), (56, 1235995), (70, 988796), (140, 494398), (179, 386680), (280, 247199), (358, 193340), (716, 96670), (895, 77336), (1253, 55240), (1381, 50120), (1432, 48335), (1790, 38668), (2506, 27620), (2762, 25060), (3580, 19334), (5012, 13810), (5524, 12530), (6265, 11048), (6905, 10024), (7160, 9667)]