16707040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2131}}^1$

素因数の和:2160

約数の個数: 72

約数和(自身を含む): 45936072

約数和(自身を除く): 29229032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 2131, 3920, 4262, 7840, 8524, 10655, 14917, 17048, 21310, 29834, 34096, 42620, 59668, 68192, 74585, 85240, 104419, 119336, 149170, 170480, 208838, 238672, 298340, 340960, 417676, 477344, 522095, 596680, 835352, 1044190, 1193360, 1670704, 2088380, 2386720, 3341408, 4176760, 8353520, 16707040]

約数ペア:

[(1, 16707040), (2, 8353520), (4, 4176760), (5, 3341408), (7, 2386720), (8, 2088380), (10, 1670704), (14, 1193360), (16, 1044190), (20, 835352), (28, 596680), (32, 522095), (35, 477344), (40, 417676), (49, 340960), (56, 298340), (70, 238672), (80, 208838), (98, 170480), (112, 149170), (140, 119336), (160, 104419), (196, 85240), (224, 74585), (245, 68192), (280, 59668), (392, 42620), (490, 34096), (560, 29834), (784, 21310), (980, 17048), (1120, 14917), (1568, 10655), (1960, 8524), (2131, 7840), (3920, 4262)]