991769760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{688729}}^1$

素因数の和:688750

約数の個数: 72

約数和(自身を含む): 3384419220

約数和(自身を除く): 2392649460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 688729, 1377458, 2066187, 2754916, 3443645, 4132374, 5509832, 6198561, 6887290, 8264748, 10330935, 11019664, 12397122, 13774580, 16529496, 20661870, 22039328, 24794244, 27549160, 30992805, 33058992, 41323740, 49588488, 55098320, 61985610, 66117984, 82647480, 99176976, 110196640, 123971220, 165294960, 198353952, 247942440, 330589920, 495884880, 991769760]

約数ペア:

[(1, 991769760), (2, 495884880), (3, 330589920), (4, 247942440), (5, 198353952), (6, 165294960), (8, 123971220), (9, 110196640), (10, 99176976), (12, 82647480), (15, 66117984), (16, 61985610), (18, 55098320), (20, 49588488), (24, 41323740), (30, 33058992), (32, 30992805), (36, 27549160), (40, 24794244), (45, 22039328), (48, 20661870), (60, 16529496), (72, 13774580), (80, 12397122), (90, 11019664), (96, 10330935), (120, 8264748), (144, 6887290), (160, 6198561), (180, 5509832), (240, 4132374), (288, 3443645), (360, 2754916), (480, 2066187), (720, 1377458), (1440, 688729)]