28991520

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{2237}}^1$

素因数の和:2264

約数の個数: 120

約数和(自身を含む): 102361644

約数和(自身を除く): 73370124

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, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2237, 2592, 3240, 4320, 4474, 6480, 6711, 8948, 11185, 12960, 13422, 17896, 20133, 22370, 26844, 33555, 35792, 40266, 44740, 53688, 60399, 67110, 71584, 80532, 89480, 100665, 107376, 120798, 134220, 161064, 178960, 181197, 201330, 214752, 241596, 268440, 301995, 322128, 357920, 362394, 402660, 483192, 536880, 603990, 644256, 724788, 805320, 905985, 966384, 1073760, 1207980, 1449576, 1610640, 1811970, 1932768, 2415960, 2899152, 3221280, 3623940, 4831920, 5798304, 7247880, 9663840, 14495760, 28991520]

約数ペア:

[(1, 28991520), (2, 14495760), (3, 9663840), (4, 7247880), (5, 5798304), (6, 4831920), (8, 3623940), (9, 3221280), (10, 2899152), (12, 2415960), (15, 1932768), (16, 1811970), (18, 1610640), (20, 1449576), (24, 1207980), (27, 1073760), (30, 966384), (32, 905985), (36, 805320), (40, 724788), (45, 644256), (48, 603990), (54, 536880), (60, 483192), (72, 402660), (80, 362394), (81, 357920), (90, 322128), (96, 301995), (108, 268440), (120, 241596), (135, 214752), (144, 201330), (160, 181197), (162, 178960), (180, 161064), (216, 134220), (240, 120798), (270, 107376), (288, 100665), (324, 89480), (360, 80532), (405, 71584), (432, 67110), (480, 60399), (540, 53688), (648, 44740), (720, 40266), (810, 35792), (864, 33555), (1080, 26844), (1296, 22370), (1440, 20133), (1620, 17896), (2160, 13422), (2237, 12960), (2592, 11185), (3240, 8948), (4320, 6711), (4474, 6480)]