831056640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{216421}}^1$

素因数の和:216445

約数の個数: 72

約数和(自身を含む): 2654199408

約数和(自身を除く): 1823142768

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, 640, 768, 960, 1280, 1920, 3840, 216421, 432842, 649263, 865684, 1082105, 1298526, 1731368, 2164210, 2597052, 3246315, 3462736, 4328420, 5194104, 6492630, 6925472, 8656840, 10388208, 12985260, 13850944, 17313680, 20776416, 25970520, 27701888, 34627360, 41552832, 51941040, 55403776, 69254720, 83105664, 103882080, 138509440, 166211328, 207764160, 277018880, 415528320, 831056640]

約数ペア:

[(1, 831056640), (2, 415528320), (3, 277018880), (4, 207764160), (5, 166211328), (6, 138509440), (8, 103882080), (10, 83105664), (12, 69254720), (15, 55403776), (16, 51941040), (20, 41552832), (24, 34627360), (30, 27701888), (32, 25970520), (40, 20776416), (48, 17313680), (60, 13850944), (64, 12985260), (80, 10388208), (96, 8656840), (120, 6925472), (128, 6492630), (160, 5194104), (192, 4328420), (240, 3462736), (256, 3246315), (320, 2597052), (384, 2164210), (480, 1731368), (640, 1298526), (768, 1082105), (960, 865684), (1280, 649263), (1920, 432842), (3840, 216421)]