231581280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:621

約数の個数: 192

約数和(自身を含む): 840913920

約数和(自身を除く): 609332640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 157, 160, 168, 210, 224, 240, 280, 314, 336, 420, 439, 471, 480, 560, 628, 672, 785, 840, 878, 942, 1099, 1120, 1256, 1317, 1570, 1680, 1756, 1884, 2195, 2198, 2355, 2512, 2634, 3073, 3140, 3297, 3360, 3512, 3768, 4390, 4396, 4710, 5024, 5268, 5495, 6146, 6280, 6585, 6594, 7024, 7536, 8780, 8792, 9219, 9420, 10536, 10990, 12292, 12560, 13170, 13188, 14048, 15072, 15365, 16485, 17560, 17584, 18438, 18840, 21072, 21980, 24584, 25120, 26340, 26376, 30730, 32970, 35120, 35168, 36876, 37680, 42144, 43960, 46095, 49168, 52680, 52752, 61460, 65940, 68923, 70240, 73752, 75360, 87920, 92190, 98336, 105360, 105504, 122920, 131880, 137846, 147504, 175840, 184380, 206769, 210720, 245840, 263760, 275692, 295008, 344615, 368760, 413538, 482461, 491680, 527520, 551384, 689230, 737520, 827076, 964922, 1033845, 1102768, 1378460, 1447383, 1475040, 1654152, 1929844, 2067690, 2205536, 2412305, 2756920, 2894766, 3308304, 3859688, 4135380, 4824610, 5513840, 5789532, 6616608, 7236915, 7719376, 8270760, 9649220, 11027680, 11579064, 14473830, 15438752, 16541520, 19298440, 23158128, 28947660, 33083040, 38596880, 46316256, 57895320, 77193760, 115790640, 231581280]

約数ペア:

[(1, 231581280), (2, 115790640), (3, 77193760), (4, 57895320), (5, 46316256), (6, 38596880), (7, 33083040), (8, 28947660), (10, 23158128), (12, 19298440), (14, 16541520), (15, 15438752), (16, 14473830), (20, 11579064), (21, 11027680), (24, 9649220), (28, 8270760), (30, 7719376), (32, 7236915), (35, 6616608), (40, 5789532), (42, 5513840), (48, 4824610), (56, 4135380), (60, 3859688), (70, 3308304), (80, 2894766), (84, 2756920), (96, 2412305), (105, 2205536), (112, 2067690), (120, 1929844), (140, 1654152), (157, 1475040), (160, 1447383), (168, 1378460), (210, 1102768), (224, 1033845), (240, 964922), (280, 827076), (314, 737520), (336, 689230), (420, 551384), (439, 527520), (471, 491680), (480, 482461), (560, 413538), (628, 368760), (672, 344615), (785, 295008), (840, 275692), (878, 263760), (942, 245840), (1099, 210720), (1120, 206769), (1256, 184380), (1317, 175840), (1570, 147504), (1680, 137846), (1756, 131880), (1884, 122920), (2195, 105504), (2198, 105360), (2355, 98336), (2512, 92190), (2634, 87920), (3073, 75360), (3140, 73752), (3297, 70240), (3360, 68923), (3512, 65940), (3768, 61460), (4390, 52752), (4396, 52680), (4710, 49168), (5024, 46095), (5268, 43960), (5495, 42144), (6146, 37680), (6280, 36876), (6585, 35168), (6594, 35120), (7024, 32970), (7536, 30730), (8780, 26376), (8792, 26340), (9219, 25120), (9420, 24584), (10536, 21980), (10990, 21072), (12292, 18840), (12560, 18438), (13170, 17584), (13188, 17560), (14048, 16485), (15072, 15365)]