12359120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 31069440

約数和(自身を除く): 18710320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 152, 173, 188, 190, 235, 304, 346, 376, 380, 470, 692, 752, 760, 865, 893, 940, 1384, 1520, 1730, 1786, 1880, 2768, 3287, 3460, 3572, 3760, 4465, 6574, 6920, 7144, 8131, 8930, 13148, 13840, 14288, 16262, 16435, 17860, 26296, 32524, 32870, 35720, 40655, 52592, 65048, 65740, 71440, 81310, 130096, 131480, 154489, 162620, 262960, 308978, 325240, 617956, 650480, 772445, 1235912, 1544890, 2471824, 3089780, 6179560, 12359120]

約数ペア:

[(1, 12359120), (2, 6179560), (4, 3089780), (5, 2471824), (8, 1544890), (10, 1235912), (16, 772445), (19, 650480), (20, 617956), (38, 325240), (40, 308978), (47, 262960), (76, 162620), (80, 154489), (94, 131480), (95, 130096), (152, 81310), (173, 71440), (188, 65740), (190, 65048), (235, 52592), (304, 40655), (346, 35720), (376, 32870), (380, 32524), (470, 26296), (692, 17860), (752, 16435), (760, 16262), (865, 14288), (893, 13840), (940, 13148), (1384, 8930), (1520, 8131), (1730, 7144), (1786, 6920), (1880, 6574), (2768, 4465), (3287, 3760), (3460, 3572)]