71986240

素因数分解:

$2^6\times 5^1\times {\mathrm{227}}^1\times {\mathrm{991}}^1$

素因数の和:1235

約数の個数: 56

約数和(自身を含む): 172346112

約数和(自身を除く): 100359872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 227, 320, 454, 908, 991, 1135, 1816, 1982, 2270, 3632, 3964, 4540, 4955, 7264, 7928, 9080, 9910, 14528, 15856, 18160, 19820, 31712, 36320, 39640, 63424, 72640, 79280, 158560, 224957, 317120, 449914, 899828, 1124785, 1799656, 2249570, 3599312, 4499140, 7198624, 8998280, 14397248, 17996560, 35993120, 71986240]

約数ペア:

[(1, 71986240), (2, 35993120), (4, 17996560), (5, 14397248), (8, 8998280), (10, 7198624), (16, 4499140), (20, 3599312), (32, 2249570), (40, 1799656), (64, 1124785), (80, 899828), (160, 449914), (227, 317120), (320, 224957), (454, 158560), (908, 79280), (991, 72640), (1135, 63424), (1816, 39640), (1982, 36320), (2270, 31712), (3632, 19820), (3964, 18160), (4540, 15856), (4955, 14528), (7264, 9910), (7928, 9080)]