421658040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{22381}}^1$

素因数の和:22552

約数の個数: 64

約数和(自身を含む): 1273088160

約数和(自身を除く): 851430120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 3140, 3768, 4710, 6280, 9420, 18840, 22381, 44762, 67143, 89524, 111905, 134286, 179048, 223810, 268572, 335715, 447620, 537144, 671430, 895240, 1342860, 2685720, 3513817, 7027634, 10541451, 14055268, 17569085, 21082902, 28110536, 35138170, 42165804, 52707255, 70276340, 84331608, 105414510, 140552680, 210829020, 421658040]

約数ペア:

[(1, 421658040), (2, 210829020), (3, 140552680), (4, 105414510), (5, 84331608), (6, 70276340), (8, 52707255), (10, 42165804), (12, 35138170), (15, 28110536), (20, 21082902), (24, 17569085), (30, 14055268), (40, 10541451), (60, 7027634), (120, 3513817), (157, 2685720), (314, 1342860), (471, 895240), (628, 671430), (785, 537144), (942, 447620), (1256, 335715), (1570, 268572), (1884, 223810), (2355, 179048), (3140, 134286), (3768, 111905), (4710, 89524), (6280, 67143), (9420, 44762), (18840, 22381)]