68446960

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 166551840

約数和(自身を除く): 98104880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 163, 181, 232, 290, 326, 362, 464, 580, 652, 724, 815, 905, 1160, 1304, 1448, 1630, 1810, 2320, 2608, 2896, 3260, 3620, 4727, 5249, 6520, 7240, 9454, 10498, 13040, 14480, 18908, 20996, 23635, 26245, 29503, 37816, 41992, 47270, 52490, 59006, 75632, 83984, 94540, 104980, 118012, 147515, 189080, 209960, 236024, 295030, 378160, 419920, 472048, 590060, 855587, 1180120, 1711174, 2360240, 3422348, 4277935, 6844696, 8555870, 13689392, 17111740, 34223480, 68446960]

約数ペア:

[(1, 68446960), (2, 34223480), (4, 17111740), (5, 13689392), (8, 8555870), (10, 6844696), (16, 4277935), (20, 3422348), (29, 2360240), (40, 1711174), (58, 1180120), (80, 855587), (116, 590060), (145, 472048), (163, 419920), (181, 378160), (232, 295030), (290, 236024), (326, 209960), (362, 189080), (464, 147515), (580, 118012), (652, 104980), (724, 94540), (815, 83984), (905, 75632), (1160, 59006), (1304, 52490), (1448, 47270), (1630, 41992), (1810, 37816), (2320, 29503), (2608, 26245), (2896, 23635), (3260, 20996), (3620, 18908), (4727, 14480), (5249, 13040), (6520, 10498), (7240, 9454)]