31605120

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:118

約数の個数: 256

約数和(自身を含む): 117504000

約数和(自身を除く): 85898880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 59, 60, 62, 64, 72, 80, 90, 93, 96, 108, 118, 120, 124, 128, 135, 144, 155, 160, 177, 180, 186, 192, 216, 236, 240, 248, 270, 279, 288, 295, 310, 320, 354, 360, 372, 384, 432, 465, 472, 480, 496, 531, 540, 558, 576, 590, 620, 640, 708, 720, 744, 837, 864, 885, 930, 944, 960, 992, 1062, 1080, 1116, 1152, 1180, 1240, 1395, 1416, 1440, 1488, 1593, 1674, 1728, 1770, 1829, 1860, 1888, 1920, 1984, 2124, 2160, 2232, 2360, 2480, 2655, 2790, 2832, 2880, 2976, 3186, 3348, 3456, 3540, 3658, 3720, 3776, 3968, 4185, 4248, 4320, 4464, 4720, 4960, 5310, 5487, 5580, 5664, 5760, 5952, 6372, 6696, 7080, 7316, 7440, 7552, 7965, 8370, 8496, 8640, 8928, 9145, 9440, 9920, 10620, 10974, 11160, 11328, 11904, 12744, 13392, 14160, 14632, 14880, 15930, 16461, 16740, 16992, 17280, 17856, 18290, 18880, 19840, 21240, 21948, 22320, 22656, 25488, 26784, 27435, 28320, 29264, 29760, 31860, 32922, 33480, 33984, 35712, 36580, 37760, 42480, 43896, 44640, 49383, 50976, 53568, 54870, 56640, 58528, 59520, 63720, 65844, 66960, 67968, 73160, 82305, 84960, 87792, 89280, 98766, 101952, 107136, 109740, 113280, 117056, 127440, 131688, 133920, 146320, 164610, 169920, 175584, 178560, 197532, 203904, 219480, 234112, 246915, 254880, 263376, 267840, 292640, 329220, 339840, 351168, 395064, 438960, 493830, 509760, 526752, 535680, 585280, 658440, 702336, 790128, 877920, 987660, 1019520, 1053504, 1170560, 1316880, 1580256, 1755840, 1975320, 2107008, 2633760, 3160512, 3511680, 3950640, 5267520, 6321024, 7901280, 10535040, 15802560, 31605120]

約数ペア:

[(1, 31605120), (2, 15802560), (3, 10535040), (4, 7901280), (5, 6321024), (6, 5267520), (8, 3950640), (9, 3511680), (10, 3160512), (12, 2633760), (15, 2107008), (16, 1975320), (18, 1755840), (20, 1580256), (24, 1316880), (27, 1170560), (30, 1053504), (31, 1019520), (32, 987660), (36, 877920), (40, 790128), (45, 702336), (48, 658440), (54, 585280), (59, 535680), (60, 526752), (62, 509760), (64, 493830), (72, 438960), (80, 395064), (90, 351168), (93, 339840), (96, 329220), (108, 292640), (118, 267840), (120, 263376), (124, 254880), (128, 246915), (135, 234112), (144, 219480), (155, 203904), (160, 197532), (177, 178560), (180, 175584), (186, 169920), (192, 164610), (216, 146320), (236, 133920), (240, 131688), (248, 127440), (270, 117056), (279, 113280), (288, 109740), (295, 107136), (310, 101952), (320, 98766), (354, 89280), (360, 87792), (372, 84960), (384, 82305), (432, 73160), (465, 67968), (472, 66960), (480, 65844), (496, 63720), (531, 59520), (540, 58528), (558, 56640), (576, 54870), (590, 53568), (620, 50976), (640, 49383), (708, 44640), (720, 43896), (744, 42480), (837, 37760), (864, 36580), (885, 35712), (930, 33984), (944, 33480), (960, 32922), (992, 31860), (1062, 29760), (1080, 29264), (1116, 28320), (1152, 27435), (1180, 26784), (1240, 25488), (1395, 22656), (1416, 22320), (1440, 21948), (1488, 21240), (1593, 19840), (1674, 18880), (1728, 18290), (1770, 17856), (1829, 17280), (1860, 16992), (1888, 16740), (1920, 16461), (1984, 15930), (2124, 14880), (2160, 14632), (2232, 14160), (2360, 13392), (2480, 12744), (2655, 11904), (2790, 11328), (2832, 11160), (2880, 10974), (2976, 10620), (3186, 9920), (3348, 9440), (3456, 9145), (3540, 8928), (3658, 8640), (3720, 8496), (3776, 8370), (3968, 7965), (4185, 7552), (4248, 7440), (4320, 7316), (4464, 7080), (4720, 6696), (4960, 6372), (5310, 5952), (5487, 5760), (5580, 5664)]