30947840

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1$

素因数の和:198

約数の個数: 160

約数和(自身を含む): 93101184

約数和(自身を除く): 62153344

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 157, 160, 176, 220, 224, 256, 280, 308, 314, 320, 352, 385, 440, 448, 512, 560, 616, 628, 640, 704, 770, 785, 880, 896, 1099, 1120, 1232, 1256, 1280, 1408, 1540, 1570, 1727, 1760, 1792, 2198, 2240, 2464, 2512, 2560, 2816, 3080, 3140, 3454, 3520, 3584, 4396, 4480, 4928, 5024, 5495, 5632, 6160, 6280, 6908, 7040, 8635, 8792, 8960, 9856, 10048, 10990, 12089, 12320, 12560, 13816, 14080, 17270, 17584, 17920, 19712, 20096, 21980, 24178, 24640, 25120, 27632, 28160, 34540, 35168, 39424, 40192, 43960, 48356, 49280, 50240, 55264, 60445, 69080, 70336, 80384, 87920, 96712, 98560, 100480, 110528, 120890, 138160, 140672, 175840, 193424, 197120, 200960, 221056, 241780, 276320, 281344, 351680, 386848, 401920, 442112, 483560, 552640, 562688, 703360, 773696, 884224, 967120, 1105280, 1406720, 1547392, 1934240, 2210560, 2813440, 3094784, 3868480, 4421120, 6189568, 7736960, 15473920, 30947840]

約数ペア:

[(1, 30947840), (2, 15473920), (4, 7736960), (5, 6189568), (7, 4421120), (8, 3868480), (10, 3094784), (11, 2813440), (14, 2210560), (16, 1934240), (20, 1547392), (22, 1406720), (28, 1105280), (32, 967120), (35, 884224), (40, 773696), (44, 703360), (55, 562688), (56, 552640), (64, 483560), (70, 442112), (77, 401920), (80, 386848), (88, 351680), (110, 281344), (112, 276320), (128, 241780), (140, 221056), (154, 200960), (157, 197120), (160, 193424), (176, 175840), (220, 140672), (224, 138160), (256, 120890), (280, 110528), (308, 100480), (314, 98560), (320, 96712), (352, 87920), (385, 80384), (440, 70336), (448, 69080), (512, 60445), (560, 55264), (616, 50240), (628, 49280), (640, 48356), (704, 43960), (770, 40192), (785, 39424), (880, 35168), (896, 34540), (1099, 28160), (1120, 27632), (1232, 25120), (1256, 24640), (1280, 24178), (1408, 21980), (1540, 20096), (1570, 19712), (1727, 17920), (1760, 17584), (1792, 17270), (2198, 14080), (2240, 13816), (2464, 12560), (2512, 12320), (2560, 12089), (2816, 10990), (3080, 10048), (3140, 9856), (3454, 8960), (3520, 8792), (3584, 8635), (4396, 7040), (4480, 6908), (4928, 6280), (5024, 6160), (5495, 5632)]