154312280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1039}}^1$

素因数の和:1176

約数の個数: 64

約数和(自身を含む): 359424000

約数和(自身を除く): 205111720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 79, 94, 158, 188, 235, 316, 376, 395, 470, 632, 790, 940, 1039, 1580, 1880, 2078, 3160, 3713, 4156, 5195, 7426, 8312, 10390, 14852, 18565, 20780, 29704, 37130, 41560, 48833, 74260, 82081, 97666, 148520, 164162, 195332, 244165, 328324, 390664, 410405, 488330, 656648, 820810, 976660, 1641620, 1953320, 3283240, 3857807, 7715614, 15431228, 19289035, 30862456, 38578070, 77156140, 154312280]

約数ペア:

[(1, 154312280), (2, 77156140), (4, 38578070), (5, 30862456), (8, 19289035), (10, 15431228), (20, 7715614), (40, 3857807), (47, 3283240), (79, 1953320), (94, 1641620), (158, 976660), (188, 820810), (235, 656648), (316, 488330), (376, 410405), (395, 390664), (470, 328324), (632, 244165), (790, 195332), (940, 164162), (1039, 148520), (1580, 97666), (1880, 82081), (2078, 74260), (3160, 48833), (3713, 41560), (4156, 37130), (5195, 29704), (7426, 20780), (8312, 18565), (10390, 14852)]