31451840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:782

約数の個数: 112

約数和(自身を含む): 90220800

約数和(自身を除く): 58768960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 665, 739, 760, 1064, 1120, 1216, 1330, 1478, 1520, 2128, 2240, 2660, 2956, 3040, 3695, 4256, 5173, 5320, 5912, 6080, 7390, 8512, 10346, 10640, 11824, 14041, 14780, 20692, 21280, 23648, 25865, 28082, 29560, 41384, 42560, 47296, 51730, 56164, 59120, 70205, 82768, 98287, 103460, 112328, 118240, 140410, 165536, 196574, 206920, 224656, 236480, 280820, 331072, 393148, 413840, 449312, 491435, 561640, 786296, 827680, 898624, 982870, 1123280, 1572592, 1655360, 1965740, 2246560, 3145184, 3931480, 4493120, 6290368, 7862960, 15725920, 31451840]

約数ペア:

[(1, 31451840), (2, 15725920), (4, 7862960), (5, 6290368), (7, 4493120), (8, 3931480), (10, 3145184), (14, 2246560), (16, 1965740), (19, 1655360), (20, 1572592), (28, 1123280), (32, 982870), (35, 898624), (38, 827680), (40, 786296), (56, 561640), (64, 491435), (70, 449312), (76, 413840), (80, 393148), (95, 331072), (112, 280820), (133, 236480), (140, 224656), (152, 206920), (160, 196574), (190, 165536), (224, 140410), (266, 118240), (280, 112328), (304, 103460), (320, 98287), (380, 82768), (448, 70205), (532, 59120), (560, 56164), (608, 51730), (665, 47296), (739, 42560), (760, 41384), (1064, 29560), (1120, 28082), (1216, 25865), (1330, 23648), (1478, 21280), (1520, 20692), (2128, 14780), (2240, 14041), (2660, 11824), (2956, 10640), (3040, 10346), (3695, 8512), (4256, 7390), (5173, 6080), (5320, 5912)]