2142720

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{31}}^1$

素因数の和:63

約数の個数: 160

約数和(自身を含む): 7856640

約数和(自身を除く): 5713920

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, 60, 62, 64, 72, 80, 90, 93, 96, 108, 120, 124, 128, 135, 144, 155, 160, 180, 186, 192, 216, 240, 248, 256, 270, 279, 288, 310, 320, 360, 372, 384, 432, 465, 480, 496, 512, 540, 558, 576, 620, 640, 720, 744, 768, 837, 864, 930, 960, 992, 1080, 1116, 1152, 1240, 1280, 1395, 1440, 1488, 1536, 1674, 1728, 1860, 1920, 1984, 2160, 2232, 2304, 2480, 2560, 2790, 2880, 2976, 3348, 3456, 3720, 3840, 3968, 4185, 4320, 4464, 4608, 4960, 5580, 5760, 5952, 6696, 6912, 7440, 7680, 7936, 8370, 8640, 8928, 9920, 11160, 11520, 11904, 13392, 13824, 14880, 15872, 16740, 17280, 17856, 19840, 22320, 23040, 23808, 26784, 29760, 33480, 34560, 35712, 39680, 44640, 47616, 53568, 59520, 66960, 69120, 71424, 79360, 89280, 107136, 119040, 133920, 142848, 178560, 214272, 238080, 267840, 357120, 428544, 535680, 714240, 1071360, 2142720]

約数ペア:

[(1, 2142720), (2, 1071360), (3, 714240), (4, 535680), (5, 428544), (6, 357120), (8, 267840), (9, 238080), (10, 214272), (12, 178560), (15, 142848), (16, 133920), (18, 119040), (20, 107136), (24, 89280), (27, 79360), (30, 71424), (31, 69120), (32, 66960), (36, 59520), (40, 53568), (45, 47616), (48, 44640), (54, 39680), (60, 35712), (62, 34560), (64, 33480), (72, 29760), (80, 26784), (90, 23808), (93, 23040), (96, 22320), (108, 19840), (120, 17856), (124, 17280), (128, 16740), (135, 15872), (144, 14880), (155, 13824), (160, 13392), (180, 11904), (186, 11520), (192, 11160), (216, 9920), (240, 8928), (248, 8640), (256, 8370), (270, 7936), (279, 7680), (288, 7440), (310, 6912), (320, 6696), (360, 5952), (372, 5760), (384, 5580), (432, 4960), (465, 4608), (480, 4464), (496, 4320), (512, 4185), (540, 3968), (558, 3840), (576, 3720), (620, 3456), (640, 3348), (720, 2976), (744, 2880), (768, 2790), (837, 2560), (864, 2480), (930, 2304), (960, 2232), (992, 2160), (1080, 1984), (1116, 1920), (1152, 1860), (1240, 1728), (1280, 1674), (1395, 1536), (1440, 1488)]