205278720

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{26729}}^1$

素因数の和:26755

約数の個数: 80

約数和(自身を含む): 656274960

約数和(自身を除く): 450996240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 26729, 53458, 80187, 106916, 133645, 160374, 213832, 267290, 320748, 400935, 427664, 534580, 641496, 801870, 855328, 1069160, 1282992, 1603740, 1710656, 2138320, 2565984, 3207480, 3421312, 4276640, 5131968, 6414960, 6842624, 8553280, 10263936, 12829920, 13685248, 17106560, 20527872, 25659840, 34213120, 41055744, 51319680, 68426240, 102639360, 205278720]

約数ペア:

[(1, 205278720), (2, 102639360), (3, 68426240), (4, 51319680), (5, 41055744), (6, 34213120), (8, 25659840), (10, 20527872), (12, 17106560), (15, 13685248), (16, 12829920), (20, 10263936), (24, 8553280), (30, 6842624), (32, 6414960), (40, 5131968), (48, 4276640), (60, 3421312), (64, 3207480), (80, 2565984), (96, 2138320), (120, 1710656), (128, 1603740), (160, 1282992), (192, 1069160), (240, 855328), (256, 801870), (320, 641496), (384, 534580), (480, 427664), (512, 400935), (640, 320748), (768, 267290), (960, 213832), (1280, 160374), (1536, 133645), (1920, 106916), (2560, 80187), (3840, 53458), (7680, 26729)]