68220160

素因数分解:

$2^8\times 5^1\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:483

約数の個数: 72

約数和(自身を含む): 164828160

約数和(自身を除く): 96608000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 239, 256, 320, 446, 478, 640, 892, 956, 1115, 1195, 1280, 1784, 1912, 2230, 2390, 3568, 3824, 4460, 4780, 7136, 7648, 8920, 9560, 14272, 15296, 17840, 19120, 28544, 30592, 35680, 38240, 53297, 57088, 61184, 71360, 76480, 106594, 142720, 152960, 213188, 266485, 285440, 305920, 426376, 532970, 852752, 1065940, 1705504, 2131880, 3411008, 4263760, 6822016, 8527520, 13644032, 17055040, 34110080, 68220160]

約数ペア:

[(1, 68220160), (2, 34110080), (4, 17055040), (5, 13644032), (8, 8527520), (10, 6822016), (16, 4263760), (20, 3411008), (32, 2131880), (40, 1705504), (64, 1065940), (80, 852752), (128, 532970), (160, 426376), (223, 305920), (239, 285440), (256, 266485), (320, 213188), (446, 152960), (478, 142720), (640, 106594), (892, 76480), (956, 71360), (1115, 61184), (1195, 57088), (1280, 53297), (1784, 38240), (1912, 35680), (2230, 30592), (2390, 28544), (3568, 19120), (3824, 17840), (4460, 15296), (4780, 14272), (7136, 9560), (7648, 8920)]