168352720

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{7489}}^1$

素因数の和:7783

約数の個数: 40

約数和(自身を含む): 392865480

約数和(自身を除く): 224512760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 1124, 1405, 2248, 2810, 4496, 5620, 7489, 11240, 14978, 22480, 29956, 37445, 59912, 74890, 119824, 149780, 299560, 599120, 2104409, 4208818, 8417636, 10522045, 16835272, 21044090, 33670544, 42088180, 84176360, 168352720]

約数ペア:

[(1, 168352720), (2, 84176360), (4, 42088180), (5, 33670544), (8, 21044090), (10, 16835272), (16, 10522045), (20, 8417636), (40, 4208818), (80, 2104409), (281, 599120), (562, 299560), (1124, 149780), (1405, 119824), (2248, 74890), (2810, 59912), (4496, 37445), (5620, 29956), (7489, 22480), (11240, 14978)]