78493560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 250560000

約数和(自身を除く): 172066440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 173, 190, 199, 228, 285, 346, 380, 398, 456, 519, 570, 597, 692, 760, 796, 865, 995, 1038, 1140, 1194, 1384, 1592, 1730, 1990, 2076, 2280, 2388, 2595, 2985, 3287, 3460, 3781, 3980, 4152, 4776, 5190, 5970, 6574, 6920, 7562, 7960, 9861, 10380, 11343, 11940, 13148, 15124, 16435, 18905, 19722, 20760, 22686, 23880, 26296, 30248, 32870, 34427, 37810, 39444, 45372, 49305, 56715, 65740, 68854, 75620, 78888, 90744, 98610, 103281, 113430, 131480, 137708, 151240, 172135, 197220, 206562, 226860, 275416, 344270, 394440, 413124, 453720, 516405, 654113, 688540, 826248, 1032810, 1308226, 1377080, 1962339, 2065620, 2616452, 3270565, 3924678, 4131240, 5232904, 6541130, 7849356, 9811695, 13082260, 15698712, 19623390, 26164520, 39246780, 78493560]

約数ペア:

[(1, 78493560), (2, 39246780), (3, 26164520), (4, 19623390), (5, 15698712), (6, 13082260), (8, 9811695), (10, 7849356), (12, 6541130), (15, 5232904), (19, 4131240), (20, 3924678), (24, 3270565), (30, 2616452), (38, 2065620), (40, 1962339), (57, 1377080), (60, 1308226), (76, 1032810), (95, 826248), (114, 688540), (120, 654113), (152, 516405), (173, 453720), (190, 413124), (199, 394440), (228, 344270), (285, 275416), (346, 226860), (380, 206562), (398, 197220), (456, 172135), (519, 151240), (570, 137708), (597, 131480), (692, 113430), (760, 103281), (796, 98610), (865, 90744), (995, 78888), (1038, 75620), (1140, 68854), (1194, 65740), (1384, 56715), (1592, 49305), (1730, 45372), (1990, 39444), (2076, 37810), (2280, 34427), (2388, 32870), (2595, 30248), (2985, 26296), (3287, 23880), (3460, 22686), (3781, 20760), (3980, 19722), (4152, 18905), (4776, 16435), (5190, 15124), (5970, 13148), (6574, 11940), (6920, 11343), (7562, 10380), (7960, 9861)]