291188480

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20681}}^1$

素因数の和:20713

約数の個数: 72

約数和(自身を含む): 760932144

約数和(自身を除く): 469743664

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 7040, 14080, 20681, 41362, 82724, 103405, 165448, 206810, 227491, 330896, 413620, 454982, 661792, 827240, 909964, 1137455, 1323584, 1654480, 1819928, 2274910, 2647168, 3308960, 3639856, 4549820, 5294336, 6617920, 7279712, 9099640, 13235840, 14559424, 18199280, 26471680, 29118848, 36398560, 58237696, 72797120, 145594240, 291188480]

約数ペア:

[(1, 291188480), (2, 145594240), (4, 72797120), (5, 58237696), (8, 36398560), (10, 29118848), (11, 26471680), (16, 18199280), (20, 14559424), (22, 13235840), (32, 9099640), (40, 7279712), (44, 6617920), (55, 5294336), (64, 4549820), (80, 3639856), (88, 3308960), (110, 2647168), (128, 2274910), (160, 1819928), (176, 1654480), (220, 1323584), (256, 1137455), (320, 909964), (352, 827240), (440, 661792), (640, 454982), (704, 413620), (880, 330896), (1280, 227491), (1408, 206810), (1760, 165448), (2816, 103405), (3520, 82724), (7040, 41362), (14080, 20681)]