668439040

素因数分解:

$2^9\times 5^1\times {\mathrm{37}}^1\times {\mathrm{7057}}^1$

素因数の和:7117

約数の個数: 80

約数和(自身を含む): 1646236152

約数和(自身を除く): 977797112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 370, 512, 592, 640, 740, 1184, 1280, 1480, 2368, 2560, 2960, 4736, 5920, 7057, 9472, 11840, 14114, 18944, 23680, 28228, 35285, 47360, 56456, 70570, 94720, 112912, 141140, 225824, 261109, 282280, 451648, 522218, 564560, 903296, 1044436, 1129120, 1305545, 1806592, 2088872, 2258240, 2611090, 3613184, 4177744, 4516480, 5222180, 8355488, 9032960, 10444360, 16710976, 18065920, 20888720, 33421952, 41777440, 66843904, 83554880, 133687808, 167109760, 334219520, 668439040]

約数ペア:

[(1, 668439040), (2, 334219520), (4, 167109760), (5, 133687808), (8, 83554880), (10, 66843904), (16, 41777440), (20, 33421952), (32, 20888720), (37, 18065920), (40, 16710976), (64, 10444360), (74, 9032960), (80, 8355488), (128, 5222180), (148, 4516480), (160, 4177744), (185, 3613184), (256, 2611090), (296, 2258240), (320, 2088872), (370, 1806592), (512, 1305545), (592, 1129120), (640, 1044436), (740, 903296), (1184, 564560), (1280, 522218), (1480, 451648), (2368, 282280), (2560, 261109), (2960, 225824), (4736, 141140), (5920, 112912), (7057, 94720), (9472, 70570), (11840, 56456), (14114, 47360), (18944, 35285), (23680, 28228)]