71318080

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:204

約数の個数: 112

約数和(自身を含む): 178637184

約数和(自身を除く): 107319104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 71, 73, 80, 86, 142, 146, 160, 172, 215, 284, 292, 320, 344, 355, 365, 430, 568, 584, 688, 710, 730, 860, 1136, 1168, 1376, 1420, 1460, 1720, 2272, 2336, 2752, 2840, 2920, 3053, 3139, 3440, 4544, 4672, 5183, 5680, 5840, 6106, 6278, 6880, 10366, 11360, 11680, 12212, 12556, 13760, 15265, 15695, 20732, 22720, 23360, 24424, 25112, 25915, 30530, 31390, 41464, 48848, 50224, 51830, 61060, 62780, 82928, 97696, 100448, 103660, 122120, 125560, 165856, 195392, 200896, 207320, 222869, 244240, 251120, 331712, 414640, 445738, 488480, 502240, 829280, 891476, 976960, 1004480, 1114345, 1658560, 1782952, 2228690, 3565904, 4457380, 7131808, 8914760, 14263616, 17829520, 35659040, 71318080]

約数ペア:

[(1, 71318080), (2, 35659040), (4, 17829520), (5, 14263616), (8, 8914760), (10, 7131808), (16, 4457380), (20, 3565904), (32, 2228690), (40, 1782952), (43, 1658560), (64, 1114345), (71, 1004480), (73, 976960), (80, 891476), (86, 829280), (142, 502240), (146, 488480), (160, 445738), (172, 414640), (215, 331712), (284, 251120), (292, 244240), (320, 222869), (344, 207320), (355, 200896), (365, 195392), (430, 165856), (568, 125560), (584, 122120), (688, 103660), (710, 100448), (730, 97696), (860, 82928), (1136, 62780), (1168, 61060), (1376, 51830), (1420, 50224), (1460, 48848), (1720, 41464), (2272, 31390), (2336, 30530), (2752, 25915), (2840, 25112), (2920, 24424), (3053, 23360), (3139, 22720), (3440, 20732), (4544, 15695), (4672, 15265), (5183, 13760), (5680, 12556), (5840, 12212), (6106, 11680), (6278, 11360), (6880, 10366)]