31047520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1459}}^1$

素因数の和:1500

約数の個数: 96

約数和(自身を含む): 88300800

約数和(自身を除く): 57253280

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, 760, 1064, 1120, 1330, 1459, 1520, 2128, 2660, 2918, 3040, 4256, 5320, 5836, 7295, 10213, 10640, 11672, 14590, 20426, 21280, 23344, 27721, 29180, 40852, 46688, 51065, 55442, 58360, 81704, 102130, 110884, 116720, 138605, 163408, 194047, 204260, 221768, 233440, 277210, 326816, 388094, 408520, 443536, 554420, 776188, 817040, 887072, 970235, 1108840, 1552376, 1634080, 1940470, 2217680, 3104752, 3880940, 4435360, 6209504, 7761880, 15523760, 31047520]

約数ペア:

[(1, 31047520), (2, 15523760), (4, 7761880), (5, 6209504), (7, 4435360), (8, 3880940), (10, 3104752), (14, 2217680), (16, 1940470), (19, 1634080), (20, 1552376), (28, 1108840), (32, 970235), (35, 887072), (38, 817040), (40, 776188), (56, 554420), (70, 443536), (76, 408520), (80, 388094), (95, 326816), (112, 277210), (133, 233440), (140, 221768), (152, 204260), (160, 194047), (190, 163408), (224, 138605), (266, 116720), (280, 110884), (304, 102130), (380, 81704), (532, 58360), (560, 55442), (608, 51065), (665, 46688), (760, 40852), (1064, 29180), (1120, 27721), (1330, 23344), (1459, 21280), (1520, 20426), (2128, 14590), (2660, 11672), (2918, 10640), (3040, 10213), (4256, 7295), (5320, 5836)]