2080872540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{25747}}^1$

素因数の和:26211

約数の個数: 72

約数和(自身を含む): 6326283600

約数和(自身を除く): 4245411060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449, 898, 1347, 1796, 2245, 2694, 4041, 4490, 5388, 6735, 8082, 8980, 13470, 16164, 20205, 25747, 26940, 40410, 51494, 77241, 80820, 102988, 128735, 154482, 231723, 257470, 308964, 386205, 463446, 514940, 772410, 926892, 1158615, 1544820, 2317230, 4634460, 11560403, 23120806, 34681209, 46241612, 57802015, 69362418, 104043627, 115604030, 138724836, 173406045, 208087254, 231208060, 346812090, 416174508, 520218135, 693624180, 1040436270, 2080872540]

約数ペア:

[(1, 2080872540), (2, 1040436270), (3, 693624180), (4, 520218135), (5, 416174508), (6, 346812090), (9, 231208060), (10, 208087254), (12, 173406045), (15, 138724836), (18, 115604030), (20, 104043627), (30, 69362418), (36, 57802015), (45, 46241612), (60, 34681209), (90, 23120806), (180, 11560403), (449, 4634460), (898, 2317230), (1347, 1544820), (1796, 1158615), (2245, 926892), (2694, 772410), (4041, 514940), (4490, 463446), (5388, 386205), (6735, 308964), (8082, 257470), (8980, 231723), (13470, 154482), (16164, 128735), (20205, 102988), (25747, 80820), (26940, 77241), (40410, 51494)]