77937280

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2591}}^1$

素因数の和:2657

約数の個数: 64

約数和(自身を含む): 190356480

約数和(自身を除く): 112419200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 320, 376, 470, 640, 752, 940, 1504, 1880, 2591, 3008, 3760, 5182, 6016, 7520, 10364, 12955, 15040, 20728, 25910, 30080, 41456, 51820, 82912, 103640, 121777, 165824, 207280, 243554, 331648, 414560, 487108, 608885, 829120, 974216, 1217770, 1658240, 1948432, 2435540, 3896864, 4871080, 7793728, 9742160, 15587456, 19484320, 38968640, 77937280]

約数ペア:

[(1, 77937280), (2, 38968640), (4, 19484320), (5, 15587456), (8, 9742160), (10, 7793728), (16, 4871080), (20, 3896864), (32, 2435540), (40, 1948432), (47, 1658240), (64, 1217770), (80, 974216), (94, 829120), (128, 608885), (160, 487108), (188, 414560), (235, 331648), (320, 243554), (376, 207280), (470, 165824), (640, 121777), (752, 103640), (940, 82912), (1504, 51820), (1880, 41456), (2591, 30080), (3008, 25910), (3760, 20728), (5182, 15040), (6016, 12955), (7520, 10364)]