1772840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 64

約数和(自身を含む): 4354560

約数和(自身を除く): 2581720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 47, 82, 92, 94, 115, 164, 184, 188, 205, 230, 235, 328, 376, 410, 460, 470, 820, 920, 940, 943, 1081, 1640, 1880, 1886, 1927, 2162, 3772, 3854, 4324, 4715, 5405, 7544, 7708, 8648, 9430, 9635, 10810, 15416, 18860, 19270, 21620, 37720, 38540, 43240, 44321, 77080, 88642, 177284, 221605, 354568, 443210, 886420, 1772840]

約数ペア:

[(1, 1772840), (2, 886420), (4, 443210), (5, 354568), (8, 221605), (10, 177284), (20, 88642), (23, 77080), (40, 44321), (41, 43240), (46, 38540), (47, 37720), (82, 21620), (92, 19270), (94, 18860), (115, 15416), (164, 10810), (184, 9635), (188, 9430), (205, 8648), (230, 7708), (235, 7544), (328, 5405), (376, 4715), (410, 4324), (460, 3854), (470, 3772), (820, 2162), (920, 1927), (940, 1886), (943, 1880), (1081, 1640)]