671616680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1373}}^1\times {\mathrm{1747}}^1$

素因数の和:3138

約数の個数: 64

約数和(自身を含む): 1729261440

約数和(自身を除く): 1057644760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1373, 1747, 2746, 3494, 5492, 6865, 6988, 8735, 9611, 10984, 12229, 13730, 13976, 17470, 19222, 24458, 27460, 34940, 38444, 48055, 48916, 54920, 61145, 69880, 76888, 96110, 97832, 122290, 192220, 244580, 384440, 489160, 2398631, 4797262, 9594524, 11993155, 16790417, 19189048, 23986310, 33580834, 47972620, 67161668, 83952085, 95945240, 134323336, 167904170, 335808340, 671616680]

約数ペア:

[(1, 671616680), (2, 335808340), (4, 167904170), (5, 134323336), (7, 95945240), (8, 83952085), (10, 67161668), (14, 47972620), (20, 33580834), (28, 23986310), (35, 19189048), (40, 16790417), (56, 11993155), (70, 9594524), (140, 4797262), (280, 2398631), (1373, 489160), (1747, 384440), (2746, 244580), (3494, 192220), (5492, 122290), (6865, 97832), (6988, 96110), (8735, 76888), (9611, 69880), (10984, 61145), (12229, 54920), (13730, 48916), (13976, 48055), (17470, 38444), (19222, 34940), (24458, 27460)]