31330880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:292

約数の個数: 112

約数和(自身を含む): 86904576

約数和(自身を除く): 55573696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 140, 142, 160, 197, 224, 280, 284, 320, 355, 394, 448, 497, 560, 568, 710, 788, 985, 994, 1120, 1136, 1379, 1420, 1576, 1970, 1988, 2240, 2272, 2485, 2758, 2840, 3152, 3940, 3976, 4544, 4970, 5516, 5680, 6304, 6895, 7880, 7952, 9940, 11032, 11360, 12608, 13790, 13987, 15760, 15904, 19880, 22064, 22720, 27580, 27974, 31520, 31808, 39760, 44128, 55160, 55948, 63040, 69935, 79520, 88256, 97909, 110320, 111896, 139870, 159040, 195818, 220640, 223792, 279740, 391636, 441280, 447584, 489545, 559480, 783272, 895168, 979090, 1118960, 1566544, 1958180, 2237920, 3133088, 3916360, 4475840, 6266176, 7832720, 15665440, 31330880]

約数ペア:

[(1, 31330880), (2, 15665440), (4, 7832720), (5, 6266176), (7, 4475840), (8, 3916360), (10, 3133088), (14, 2237920), (16, 1958180), (20, 1566544), (28, 1118960), (32, 979090), (35, 895168), (40, 783272), (56, 559480), (64, 489545), (70, 447584), (71, 441280), (80, 391636), (112, 279740), (140, 223792), (142, 220640), (160, 195818), (197, 159040), (224, 139870), (280, 111896), (284, 110320), (320, 97909), (355, 88256), (394, 79520), (448, 69935), (497, 63040), (560, 55948), (568, 55160), (710, 44128), (788, 39760), (985, 31808), (994, 31520), (1120, 27974), (1136, 27580), (1379, 22720), (1420, 22064), (1576, 19880), (1970, 15904), (1988, 15760), (2240, 13987), (2272, 13790), (2485, 12608), (2758, 11360), (2840, 11032), (3152, 9940), (3940, 7952), (3976, 7880), (4544, 6895), (4970, 6304), (5516, 5680)]