30572720

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1487}}^1$

素因数の和:1757

約数の個数: 40

約数和(自身を含む): 71406144

約数和(自身を除く): 40833424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 1487, 2056, 2570, 2974, 4112, 5140, 5948, 7435, 10280, 11896, 14870, 20560, 23792, 29740, 59480, 118960, 382159, 764318, 1528636, 1910795, 3057272, 3821590, 6114544, 7643180, 15286360, 30572720]

約数ペア:

[(1, 30572720), (2, 15286360), (4, 7643180), (5, 6114544), (8, 3821590), (10, 3057272), (16, 1910795), (20, 1528636), (40, 764318), (80, 382159), (257, 118960), (514, 59480), (1028, 29740), (1285, 23792), (1487, 20560), (2056, 14870), (2570, 11896), (2974, 10280), (4112, 7435), (5140, 5948)]