1220528080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{802979}}^1$

素因数の和:803011

約数の個数: 40

約数和(自身を含む): 2987085600

約数和(自身を除く): 1766557520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 802979, 1605958, 3211916, 4014895, 6423832, 8029790, 12847664, 15256601, 16059580, 30513202, 32119160, 61026404, 64238320, 76283005, 122052808, 152566010, 244105616, 305132020, 610264040, 1220528080]

約数ペア:

[(1, 1220528080), (2, 610264040), (4, 305132020), (5, 244105616), (8, 152566010), (10, 122052808), (16, 76283005), (19, 64238320), (20, 61026404), (38, 32119160), (40, 30513202), (76, 16059580), (80, 15256601), (95, 12847664), (152, 8029790), (190, 6423832), (304, 4014895), (380, 3211916), (760, 1605958), (1520, 802979)]