78222080

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2657}}^1$

素因数の和:2701

約数の個数: 72

約数和(自身を含む): 195586272

約数和(自身を除く): 117364192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2657, 2944, 3680, 5314, 5888, 7360, 10628, 13285, 14720, 21256, 26570, 29440, 42512, 53140, 61111, 85024, 106280, 122222, 170048, 212560, 244444, 305555, 340096, 425120, 488888, 611110, 680192, 850240, 977776, 1222220, 1700480, 1955552, 2444440, 3400960, 3911104, 4888880, 7822208, 9777760, 15644416, 19555520, 39111040, 78222080]

約数ペア:

[(1, 78222080), (2, 39111040), (4, 19555520), (5, 15644416), (8, 9777760), (10, 7822208), (16, 4888880), (20, 3911104), (23, 3400960), (32, 2444440), (40, 1955552), (46, 1700480), (64, 1222220), (80, 977776), (92, 850240), (115, 680192), (128, 611110), (160, 488888), (184, 425120), (230, 340096), (256, 305555), (320, 244444), (368, 212560), (460, 170048), (640, 122222), (736, 106280), (920, 85024), (1280, 61111), (1472, 53140), (1840, 42512), (2657, 29440), (2944, 26570), (3680, 21256), (5314, 14720), (5888, 13285), (7360, 10628)]