15725920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:780

約数の個数: 96

約数和(自身を含む): 44755200

約数和(自身を除く): 29029280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 380, 532, 560, 608, 665, 739, 760, 1064, 1120, 1330, 1478, 1520, 2128, 2660, 2956, 3040, 3695, 4256, 5173, 5320, 5912, 7390, 10346, 10640, 11824, 14041, 14780, 20692, 21280, 23648, 25865, 28082, 29560, 41384, 51730, 56164, 59120, 70205, 82768, 98287, 103460, 112328, 118240, 140410, 165536, 196574, 206920, 224656, 280820, 393148, 413840, 449312, 491435, 561640, 786296, 827680, 982870, 1123280, 1572592, 1965740, 2246560, 3145184, 3931480, 7862960, 15725920]

約数ペア:

[(1, 15725920), (2, 7862960), (4, 3931480), (5, 3145184), (7, 2246560), (8, 1965740), (10, 1572592), (14, 1123280), (16, 982870), (19, 827680), (20, 786296), (28, 561640), (32, 491435), (35, 449312), (38, 413840), (40, 393148), (56, 280820), (70, 224656), (76, 206920), (80, 196574), (95, 165536), (112, 140410), (133, 118240), (140, 112328), (152, 103460), (160, 98287), (190, 82768), (224, 70205), (266, 59120), (280, 56164), (304, 51730), (380, 41384), (532, 29560), (560, 28082), (608, 25865), (665, 23648), (739, 21280), (760, 20692), (1064, 14780), (1120, 14041), (1330, 11824), (1478, 10640), (1520, 10346), (2128, 7390), (2660, 5912), (2956, 5320), (3040, 5173), (3695, 4256)]