266458240

素因数分解:

$2^7\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1867}}^1$

素因数の和:2109

約数の個数: 64

約数和(自身を含む): 640200960

約数和(自身を除く): 373742720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 320, 446, 640, 892, 1115, 1784, 1867, 2230, 3568, 3734, 4460, 7136, 7468, 8920, 9335, 14272, 14936, 17840, 18670, 28544, 29872, 35680, 37340, 59744, 71360, 74680, 119488, 142720, 149360, 238976, 298720, 416341, 597440, 832682, 1194880, 1665364, 2081705, 3330728, 4163410, 6661456, 8326820, 13322912, 16653640, 26645824, 33307280, 53291648, 66614560, 133229120, 266458240]

約数ペア:

[(1, 266458240), (2, 133229120), (4, 66614560), (5, 53291648), (8, 33307280), (10, 26645824), (16, 16653640), (20, 13322912), (32, 8326820), (40, 6661456), (64, 4163410), (80, 3330728), (128, 2081705), (160, 1665364), (223, 1194880), (320, 832682), (446, 597440), (640, 416341), (892, 298720), (1115, 238976), (1784, 149360), (1867, 142720), (2230, 119488), (3568, 74680), (3734, 71360), (4460, 59744), (7136, 37340), (7468, 35680), (8920, 29872), (9335, 28544), (14272, 18670), (14936, 17840)]