166444160

素因数分解:

$2^7\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1871}}^1$

素因数の和:2029

約数の個数: 64

約数和(自身を含む): 400982400

約数和(自身を除く): 234538240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 278, 320, 556, 640, 695, 1112, 1390, 1871, 2224, 2780, 3742, 4448, 5560, 7484, 8896, 9355, 11120, 14968, 17792, 18710, 22240, 29936, 37420, 44480, 59872, 74840, 88960, 119744, 149680, 239488, 260069, 299360, 520138, 598720, 1040276, 1197440, 1300345, 2080552, 2600690, 4161104, 5201380, 8322208, 10402760, 16644416, 20805520, 33288832, 41611040, 83222080, 166444160]

約数ペア:

[(1, 166444160), (2, 83222080), (4, 41611040), (5, 33288832), (8, 20805520), (10, 16644416), (16, 10402760), (20, 8322208), (32, 5201380), (40, 4161104), (64, 2600690), (80, 2080552), (128, 1300345), (139, 1197440), (160, 1040276), (278, 598720), (320, 520138), (556, 299360), (640, 260069), (695, 239488), (1112, 149680), (1390, 119744), (1871, 88960), (2224, 74840), (2780, 59872), (3742, 44480), (4448, 37420), (5560, 29936), (7484, 22240), (8896, 18710), (9355, 17792), (11120, 14968)]