31317840

素因数分解:

$2^4\times 3^7\times 5^1\times {\mathrm{179}}^1$

素因数の和:213

約数の個数: 160

約数和(自身を含む): 109814400

約数和(自身を除く): 78496560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 179, 180, 216, 240, 243, 270, 324, 358, 360, 405, 432, 486, 537, 540, 648, 716, 720, 729, 810, 895, 972, 1074, 1080, 1215, 1296, 1432, 1458, 1611, 1620, 1790, 1944, 2148, 2160, 2187, 2430, 2685, 2864, 2916, 3222, 3240, 3580, 3645, 3888, 4296, 4374, 4833, 4860, 5370, 5832, 6444, 6480, 7160, 7290, 8055, 8592, 8748, 9666, 9720, 10740, 10935, 11664, 12888, 14320, 14499, 14580, 16110, 17496, 19332, 19440, 21480, 21870, 24165, 25776, 28998, 29160, 32220, 34992, 38664, 42960, 43497, 43740, 48330, 57996, 58320, 64440, 72495, 77328, 86994, 87480, 96660, 115992, 128880, 130491, 144990, 173988, 174960, 193320, 217485, 231984, 260982, 289980, 347976, 386640, 391473, 434970, 521964, 579960, 652455, 695952, 782946, 869940, 1043928, 1159920, 1304910, 1565892, 1739880, 1957365, 2087856, 2609820, 3131784, 3479760, 3914730, 5219640, 6263568, 7829460, 10439280, 15658920, 31317840]

約数ペア:

[(1, 31317840), (2, 15658920), (3, 10439280), (4, 7829460), (5, 6263568), (6, 5219640), (8, 3914730), (9, 3479760), (10, 3131784), (12, 2609820), (15, 2087856), (16, 1957365), (18, 1739880), (20, 1565892), (24, 1304910), (27, 1159920), (30, 1043928), (36, 869940), (40, 782946), (45, 695952), (48, 652455), (54, 579960), (60, 521964), (72, 434970), (80, 391473), (81, 386640), (90, 347976), (108, 289980), (120, 260982), (135, 231984), (144, 217485), (162, 193320), (179, 174960), (180, 173988), (216, 144990), (240, 130491), (243, 128880), (270, 115992), (324, 96660), (358, 87480), (360, 86994), (405, 77328), (432, 72495), (486, 64440), (537, 58320), (540, 57996), (648, 48330), (716, 43740), (720, 43497), (729, 42960), (810, 38664), (895, 34992), (972, 32220), (1074, 29160), (1080, 28998), (1215, 25776), (1296, 24165), (1432, 21870), (1458, 21480), (1611, 19440), (1620, 19332), (1790, 17496), (1944, 16110), (2148, 14580), (2160, 14499), (2187, 14320), (2430, 12888), (2685, 11664), (2864, 10935), (2916, 10740), (3222, 9720), (3240, 9666), (3580, 8748), (3645, 8592), (3888, 8055), (4296, 7290), (4374, 7160), (4833, 6480), (4860, 6444), (5370, 5832)]