321181920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3329}}^1$

素因数の和:3417

約数の個数: 144

約数和(自身を含む): 1112726160

約数和(自身を除く): 791544240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 67, 72, 80, 90, 96, 120, 134, 144, 160, 180, 201, 240, 268, 288, 335, 360, 402, 480, 536, 603, 670, 720, 804, 1005, 1072, 1206, 1340, 1440, 1608, 2010, 2144, 2412, 2680, 3015, 3216, 3329, 4020, 4824, 5360, 6030, 6432, 6658, 8040, 9648, 9987, 10720, 12060, 13316, 16080, 16645, 19296, 19974, 24120, 26632, 29961, 32160, 33290, 39948, 48240, 49935, 53264, 59922, 66580, 79896, 96480, 99870, 106528, 119844, 133160, 149805, 159792, 199740, 223043, 239688, 266320, 299610, 319584, 399480, 446086, 479376, 532640, 599220, 669129, 798960, 892172, 958752, 1115215, 1198440, 1338258, 1597920, 1784344, 2007387, 2230430, 2396880, 2676516, 3345645, 3568688, 4014774, 4460860, 4793760, 5353032, 6691290, 7137376, 8029548, 8921720, 10036935, 10706064, 13382580, 16059096, 17843440, 20073870, 21412128, 26765160, 32118192, 35686880, 40147740, 53530320, 64236384, 80295480, 107060640, 160590960, 321181920]

約数ペア:

[(1, 321181920), (2, 160590960), (3, 107060640), (4, 80295480), (5, 64236384), (6, 53530320), (8, 40147740), (9, 35686880), (10, 32118192), (12, 26765160), (15, 21412128), (16, 20073870), (18, 17843440), (20, 16059096), (24, 13382580), (30, 10706064), (32, 10036935), (36, 8921720), (40, 8029548), (45, 7137376), (48, 6691290), (60, 5353032), (67, 4793760), (72, 4460860), (80, 4014774), (90, 3568688), (96, 3345645), (120, 2676516), (134, 2396880), (144, 2230430), (160, 2007387), (180, 1784344), (201, 1597920), (240, 1338258), (268, 1198440), (288, 1115215), (335, 958752), (360, 892172), (402, 798960), (480, 669129), (536, 599220), (603, 532640), (670, 479376), (720, 446086), (804, 399480), (1005, 319584), (1072, 299610), (1206, 266320), (1340, 239688), (1440, 223043), (1608, 199740), (2010, 159792), (2144, 149805), (2412, 133160), (2680, 119844), (3015, 106528), (3216, 99870), (3329, 96480), (4020, 79896), (4824, 66580), (5360, 59922), (6030, 53264), (6432, 49935), (6658, 48240), (8040, 39948), (9648, 33290), (9987, 32160), (10720, 29961), (12060, 26632), (13316, 24120), (16080, 19974), (16645, 19296)]