7221080

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 17418240

約数和(自身を除く): 10197160

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 167, 184, 188, 230, 235, 334, 376, 460, 470, 668, 835, 920, 940, 1081, 1336, 1670, 1880, 2162, 3340, 3841, 4324, 5405, 6680, 7682, 7849, 8648, 10810, 15364, 15698, 19205, 21620, 30728, 31396, 38410, 39245, 43240, 62792, 76820, 78490, 153640, 156980, 180527, 313960, 361054, 722108, 902635, 1444216, 1805270, 3610540, 7221080]

約数ペア:

[(1, 7221080), (2, 3610540), (4, 1805270), (5, 1444216), (8, 902635), (10, 722108), (20, 361054), (23, 313960), (40, 180527), (46, 156980), (47, 153640), (92, 78490), (94, 76820), (115, 62792), (167, 43240), (184, 39245), (188, 38410), (230, 31396), (235, 30728), (334, 21620), (376, 19205), (460, 15698), (470, 15364), (668, 10810), (835, 8648), (920, 7849), (940, 7682), (1081, 6680), (1336, 5405), (1670, 4324), (1880, 3841), (2162, 3340)]