71132320

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:283

約数の個数: 144

約数和(自身を含む): 200981088

約数和(自身を除く): 129848768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 140, 160, 172, 196, 211, 215, 224, 245, 280, 301, 344, 392, 422, 430, 490, 560, 602, 688, 784, 844, 860, 980, 1055, 1120, 1204, 1376, 1477, 1505, 1568, 1688, 1720, 1960, 2107, 2110, 2408, 2954, 3010, 3376, 3440, 3920, 4214, 4220, 4816, 5908, 6020, 6752, 6880, 7385, 7840, 8428, 8440, 9073, 9632, 10339, 10535, 11816, 12040, 14770, 16856, 16880, 18146, 20678, 21070, 23632, 24080, 29540, 33712, 33760, 36292, 41356, 42140, 45365, 47264, 48160, 51695, 59080, 63511, 67424, 72584, 82712, 84280, 90730, 103390, 118160, 127022, 145168, 165424, 168560, 181460, 206780, 236320, 254044, 290336, 317555, 330848, 337120, 362920, 413560, 444577, 508088, 635110, 725840, 827120, 889154, 1016176, 1270220, 1451680, 1654240, 1778308, 2032352, 2222885, 2540440, 3556616, 4445770, 5080880, 7113232, 8891540, 10161760, 14226464, 17783080, 35566160, 71132320]

約数ペア:

[(1, 71132320), (2, 35566160), (4, 17783080), (5, 14226464), (7, 10161760), (8, 8891540), (10, 7113232), (14, 5080880), (16, 4445770), (20, 3556616), (28, 2540440), (32, 2222885), (35, 2032352), (40, 1778308), (43, 1654240), (49, 1451680), (56, 1270220), (70, 1016176), (80, 889154), (86, 827120), (98, 725840), (112, 635110), (140, 508088), (160, 444577), (172, 413560), (196, 362920), (211, 337120), (215, 330848), (224, 317555), (245, 290336), (280, 254044), (301, 236320), (344, 206780), (392, 181460), (422, 168560), (430, 165424), (490, 145168), (560, 127022), (602, 118160), (688, 103390), (784, 90730), (844, 84280), (860, 82712), (980, 72584), (1055, 67424), (1120, 63511), (1204, 59080), (1376, 51695), (1477, 48160), (1505, 47264), (1568, 45365), (1688, 42140), (1720, 41356), (1960, 36292), (2107, 33760), (2110, 33712), (2408, 29540), (2954, 24080), (3010, 23632), (3376, 21070), (3440, 20678), (3920, 18146), (4214, 16880), (4220, 16856), (4816, 14770), (5908, 12040), (6020, 11816), (6752, 10535), (6880, 10339), (7385, 9632), (7840, 9073), (8428, 8440)]