640699632

素因数分解:

$2^4\times 3^5\times {\mathrm{164789}}^1$

素因数の和:164812

約数の個数: 60

約数和(自身を含む): 1859490360

約数和(自身を除く): 1218790728

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, 972, 1296, 1944, 3888, 164789, 329578, 494367, 659156, 988734, 1318312, 1483101, 1977468, 2636624, 2966202, 3954936, 4449303, 5932404, 7909872, 8898606, 11864808, 13347909, 17797212, 23729616, 26695818, 35594424, 40043727, 53391636, 71188848, 80087454, 106783272, 160174908, 213566544, 320349816, 640699632]

約数ペア:

[(1, 640699632), (2, 320349816), (3, 213566544), (4, 160174908), (6, 106783272), (8, 80087454), (9, 71188848), (12, 53391636), (16, 40043727), (18, 35594424), (24, 26695818), (27, 23729616), (36, 17797212), (48, 13347909), (54, 11864808), (72, 8898606), (81, 7909872), (108, 5932404), (144, 4449303), (162, 3954936), (216, 2966202), (243, 2636624), (324, 1977468), (432, 1483101), (486, 1318312), (648, 988734), (972, 659156), (1296, 494367), (1944, 329578), (3888, 164789)]