31907520

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{1231}}^1$

素因数の和:1260

約数の個数: 140

約数和(自身を含む): 113592864

約数和(自身を除く): 81685344

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1231, 1296, 1440, 1620, 1728, 2160, 2462, 2592, 2880, 3240, 3693, 4320, 4924, 5184, 6155, 6480, 7386, 8640, 9848, 11079, 12310, 12960, 14772, 18465, 19696, 22158, 24620, 25920, 29544, 33237, 36930, 39392, 44316, 49240, 55395, 59088, 66474, 73860, 78784, 88632, 98480, 99711, 110790, 118176, 132948, 147720, 166185, 177264, 196960, 199422, 221580, 236352, 265896, 295440, 332370, 354528, 393920, 398844, 443160, 498555, 531792, 590880, 664740, 709056, 797688, 886320, 997110, 1063584, 1181760, 1329480, 1595376, 1772640, 1994220, 2127168, 2658960, 3190752, 3545280, 3988440, 5317920, 6381504, 7976880, 10635840, 15953760, 31907520]

約数ペア:

[(1, 31907520), (2, 15953760), (3, 10635840), (4, 7976880), (5, 6381504), (6, 5317920), (8, 3988440), (9, 3545280), (10, 3190752), (12, 2658960), (15, 2127168), (16, 1994220), (18, 1772640), (20, 1595376), (24, 1329480), (27, 1181760), (30, 1063584), (32, 997110), (36, 886320), (40, 797688), (45, 709056), (48, 664740), (54, 590880), (60, 531792), (64, 498555), (72, 443160), (80, 398844), (81, 393920), (90, 354528), (96, 332370), (108, 295440), (120, 265896), (135, 236352), (144, 221580), (160, 199422), (162, 196960), (180, 177264), (192, 166185), (216, 147720), (240, 132948), (270, 118176), (288, 110790), (320, 99711), (324, 98480), (360, 88632), (405, 78784), (432, 73860), (480, 66474), (540, 59088), (576, 55395), (648, 49240), (720, 44316), (810, 39392), (864, 36930), (960, 33237), (1080, 29544), (1231, 25920), (1296, 24620), (1440, 22158), (1620, 19696), (1728, 18465), (2160, 14772), (2462, 12960), (2592, 12310), (2880, 11079), (3240, 9848), (3693, 8640), (4320, 7386), (4924, 6480), (5184, 6155)]