420707520

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{16231}}^1$

素因数の和:16260

約数の個数: 140

約数和(自身を含む): 1496622864

約数和(自身を除く): 1075915344

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, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8640, 12960, 16231, 25920, 32462, 48693, 64924, 81155, 97386, 129848, 146079, 162310, 194772, 243465, 259696, 292158, 324620, 389544, 438237, 486930, 519392, 584316, 649240, 730395, 779088, 876474, 973860, 1038784, 1168632, 1298480, 1314711, 1460790, 1558176, 1752948, 1947720, 2191185, 2337264, 2596960, 2629422, 2921580, 3116352, 3505896, 3895440, 4382370, 4674528, 5193920, 5258844, 5843160, 6573555, 7011792, 7790880, 8764740, 9349056, 10517688, 11686320, 13147110, 14023584, 15581760, 17529480, 21035376, 23372640, 26294220, 28047168, 35058960, 42070752, 46745280, 52588440, 70117920, 84141504, 105176880, 140235840, 210353760, 420707520]

約数ペア:

[(1, 420707520), (2, 210353760), (3, 140235840), (4, 105176880), (5, 84141504), (6, 70117920), (8, 52588440), (9, 46745280), (10, 42070752), (12, 35058960), (15, 28047168), (16, 26294220), (18, 23372640), (20, 21035376), (24, 17529480), (27, 15581760), (30, 14023584), (32, 13147110), (36, 11686320), (40, 10517688), (45, 9349056), (48, 8764740), (54, 7790880), (60, 7011792), (64, 6573555), (72, 5843160), (80, 5258844), (81, 5193920), (90, 4674528), (96, 4382370), (108, 3895440), (120, 3505896), (135, 3116352), (144, 2921580), (160, 2629422), (162, 2596960), (180, 2337264), (192, 2191185), (216, 1947720), (240, 1752948), (270, 1558176), (288, 1460790), (320, 1314711), (324, 1298480), (360, 1168632), (405, 1038784), (432, 973860), (480, 876474), (540, 779088), (576, 730395), (648, 649240), (720, 584316), (810, 519392), (864, 486930), (960, 438237), (1080, 389544), (1296, 324620), (1440, 292158), (1620, 259696), (1728, 243465), (2160, 194772), (2592, 162310), (2880, 146079), (3240, 129848), (4320, 97386), (5184, 81155), (6480, 64924), (8640, 48693), (12960, 32462), (16231, 25920)]