15256640

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{139}}^1$

素因数の和:177

約数の個数: 112

約数和(自身を含む): 42672000

約数和(自身を除く): 27415360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 139, 140, 160, 196, 224, 245, 278, 280, 320, 343, 392, 448, 490, 556, 560, 686, 695, 784, 973, 980, 1112, 1120, 1372, 1390, 1568, 1715, 1946, 1960, 2224, 2240, 2744, 2780, 3136, 3430, 3892, 3920, 4448, 4865, 5488, 5560, 6811, 6860, 7784, 7840, 8896, 9730, 10976, 11120, 13622, 13720, 15568, 15680, 19460, 21952, 22240, 27244, 27440, 31136, 34055, 38920, 44480, 47677, 54488, 54880, 62272, 68110, 77840, 95354, 108976, 109760, 136220, 155680, 190708, 217952, 238385, 272440, 311360, 381416, 435904, 476770, 544880, 762832, 953540, 1089760, 1525664, 1907080, 2179520, 3051328, 3814160, 7628320, 15256640]

約数ペア:

[(1, 15256640), (2, 7628320), (4, 3814160), (5, 3051328), (7, 2179520), (8, 1907080), (10, 1525664), (14, 1089760), (16, 953540), (20, 762832), (28, 544880), (32, 476770), (35, 435904), (40, 381416), (49, 311360), (56, 272440), (64, 238385), (70, 217952), (80, 190708), (98, 155680), (112, 136220), (139, 109760), (140, 108976), (160, 95354), (196, 77840), (224, 68110), (245, 62272), (278, 54880), (280, 54488), (320, 47677), (343, 44480), (392, 38920), (448, 34055), (490, 31136), (556, 27440), (560, 27244), (686, 22240), (695, 21952), (784, 19460), (973, 15680), (980, 15568), (1112, 13720), (1120, 13622), (1372, 11120), (1390, 10976), (1568, 9730), (1715, 8896), (1946, 7840), (1960, 7784), (2224, 6860), (2240, 6811), (2744, 5560), (2780, 5488), (3136, 4865), (3430, 4448), (3892, 3920)]