68896000

素因数分解:

$2^8\times 5^3\times {\mathrm{2153}}^1$

素因数の和:2184

約数の個数: 72

約数和(自身を含む): 171708264

約数和(自身を除く): 102812264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 640, 800, 1000, 1280, 1600, 2000, 2153, 3200, 4000, 4306, 6400, 8000, 8612, 10765, 16000, 17224, 21530, 32000, 34448, 43060, 53825, 68896, 86120, 107650, 137792, 172240, 215300, 269125, 275584, 344480, 430600, 538250, 551168, 688960, 861200, 1076500, 1377920, 1722400, 2153000, 2755840, 3444800, 4306000, 6889600, 8612000, 13779200, 17224000, 34448000, 68896000]

約数ペア:

[(1, 68896000), (2, 34448000), (4, 17224000), (5, 13779200), (8, 8612000), (10, 6889600), (16, 4306000), (20, 3444800), (25, 2755840), (32, 2153000), (40, 1722400), (50, 1377920), (64, 1076500), (80, 861200), (100, 688960), (125, 551168), (128, 538250), (160, 430600), (200, 344480), (250, 275584), (256, 269125), (320, 215300), (400, 172240), (500, 137792), (640, 107650), (800, 86120), (1000, 68896), (1280, 53825), (1600, 43060), (2000, 34448), (2153, 32000), (3200, 21530), (4000, 17224), (4306, 16000), (6400, 10765), (8000, 8612)]