68736020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{547}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 148407168

約数和(自身を除く): 79671148

約数列:

[1, 2, 4, 5, 10, 20, 61, 103, 122, 206, 244, 305, 412, 515, 547, 610, 1030, 1094, 1220, 2060, 2188, 2735, 5470, 6283, 10940, 12566, 25132, 31415, 33367, 56341, 62830, 66734, 112682, 125660, 133468, 166835, 225364, 281705, 333670, 563410, 667340, 1126820, 3436801, 6873602, 13747204, 17184005, 34368010, 68736020]

約数ペア:

[(1, 68736020), (2, 34368010), (4, 17184005), (5, 13747204), (10, 6873602), (20, 3436801), (61, 1126820), (103, 667340), (122, 563410), (206, 333670), (244, 281705), (305, 225364), (412, 166835), (515, 133468), (547, 125660), (610, 112682), (1030, 66734), (1094, 62830), (1220, 56341), (2060, 33367), (2188, 31415), (2735, 25132), (5470, 12566), (6283, 10940)]