71867320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{991}}^1$

素因数の和:1053

約数の個数: 96

約数和(自身を含む): 193380480

約数和(自身を除く): 121513160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 49, 56, 70, 74, 98, 140, 148, 185, 196, 245, 259, 280, 296, 370, 392, 490, 518, 740, 980, 991, 1036, 1295, 1480, 1813, 1960, 1982, 2072, 2590, 3626, 3964, 4955, 5180, 6937, 7252, 7928, 9065, 9910, 10360, 13874, 14504, 18130, 19820, 27748, 34685, 36260, 36667, 39640, 48559, 55496, 69370, 72520, 73334, 97118, 138740, 146668, 183335, 194236, 242795, 256669, 277480, 293336, 366670, 388472, 485590, 513338, 733340, 971180, 1026676, 1283345, 1466680, 1796683, 1942360, 2053352, 2566690, 3593366, 5133380, 7186732, 8983415, 10266760, 14373464, 17966830, 35933660, 71867320]

約数ペア:

[(1, 71867320), (2, 35933660), (4, 17966830), (5, 14373464), (7, 10266760), (8, 8983415), (10, 7186732), (14, 5133380), (20, 3593366), (28, 2566690), (35, 2053352), (37, 1942360), (40, 1796683), (49, 1466680), (56, 1283345), (70, 1026676), (74, 971180), (98, 733340), (140, 513338), (148, 485590), (185, 388472), (196, 366670), (245, 293336), (259, 277480), (280, 256669), (296, 242795), (370, 194236), (392, 183335), (490, 146668), (518, 138740), (740, 97118), (980, 73334), (991, 72520), (1036, 69370), (1295, 55496), (1480, 48559), (1813, 39640), (1960, 36667), (1982, 36260), (2072, 34685), (2590, 27748), (3626, 19820), (3964, 18130), (4955, 14504), (5180, 13874), (6937, 10360), (7252, 9910), (7928, 9065)]