72666560

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5281}}^1$

素因数の和:5341

約数の個数: 56

約数和(自身を含む): 177094896

約数和(自身を除く): 104428336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2752, 3440, 5281, 6880, 10562, 13760, 21124, 26405, 42248, 52810, 84496, 105620, 168992, 211240, 227083, 337984, 422480, 454166, 844960, 908332, 1135415, 1689920, 1816664, 2270830, 3633328, 4541660, 7266656, 9083320, 14533312, 18166640, 36333280, 72666560]

約数ペア:

[(1, 72666560), (2, 36333280), (4, 18166640), (5, 14533312), (8, 9083320), (10, 7266656), (16, 4541660), (20, 3633328), (32, 2270830), (40, 1816664), (43, 1689920), (64, 1135415), (80, 908332), (86, 844960), (160, 454166), (172, 422480), (215, 337984), (320, 227083), (344, 211240), (430, 168992), (688, 105620), (860, 84496), (1376, 52810), (1720, 42248), (2752, 26405), (3440, 21124), (5281, 13760), (6880, 10562)]