15665440

素因数分解:

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

素因数の和:290

約数の個数: 96

約数和(自身を含む): 43110144

約数和(自身を除く): 27444704

約数列:

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

約数ペア:

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