15745920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 128

約数和(自身を含む): 51408000

約数和(自身を除く): 35662080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 59, 60, 64, 80, 96, 118, 120, 128, 139, 160, 177, 192, 236, 240, 278, 295, 320, 354, 384, 417, 472, 480, 556, 590, 640, 695, 708, 834, 885, 944, 960, 1112, 1180, 1390, 1416, 1668, 1770, 1888, 1920, 2085, 2224, 2360, 2780, 2832, 3336, 3540, 3776, 4170, 4448, 4720, 5560, 5664, 6672, 7080, 7552, 8201, 8340, 8896, 9440, 11120, 11328, 13344, 14160, 16402, 16680, 17792, 18880, 22240, 22656, 24603, 26688, 28320, 32804, 33360, 37760, 41005, 44480, 49206, 53376, 56640, 65608, 66720, 82010, 88960, 98412, 113280, 123015, 131216, 133440, 164020, 196824, 246030, 262432, 266880, 328040, 393648, 492060, 524864, 656080, 787296, 984120, 1049728, 1312160, 1574592, 1968240, 2624320, 3149184, 3936480, 5248640, 7872960, 15745920]

約数ペア:

[(1, 15745920), (2, 7872960), (3, 5248640), (4, 3936480), (5, 3149184), (6, 2624320), (8, 1968240), (10, 1574592), (12, 1312160), (15, 1049728), (16, 984120), (20, 787296), (24, 656080), (30, 524864), (32, 492060), (40, 393648), (48, 328040), (59, 266880), (60, 262432), (64, 246030), (80, 196824), (96, 164020), (118, 133440), (120, 131216), (128, 123015), (139, 113280), (160, 98412), (177, 88960), (192, 82010), (236, 66720), (240, 65608), (278, 56640), (295, 53376), (320, 49206), (354, 44480), (384, 41005), (417, 37760), (472, 33360), (480, 32804), (556, 28320), (590, 26688), (640, 24603), (695, 22656), (708, 22240), (834, 18880), (885, 17792), (944, 16680), (960, 16402), (1112, 14160), (1180, 13344), (1390, 11328), (1416, 11120), (1668, 9440), (1770, 8896), (1888, 8340), (1920, 8201), (2085, 7552), (2224, 7080), (2360, 6672), (2780, 5664), (2832, 5560), (3336, 4720), (3540, 4448), (3776, 4170)]