815987520

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{31481}}^1$

素因数の和:31510

約数の個数: 140

約数和(自身を含む): 2902703364

約数和(自身を除く): 2086715844

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, 25920, 31481, 62962, 94443, 125924, 157405, 188886, 251848, 283329, 314810, 377772, 472215, 503696, 566658, 629620, 755544, 849987, 944430, 1007392, 1133316, 1259240, 1416645, 1511088, 1699974, 1888860, 2014784, 2266632, 2518480, 2549961, 2833290, 3022176, 3399948, 3777720, 4249935, 4533264, 5036960, 5099922, 5666580, 6044352, 6799896, 7555440, 8499870, 9066528, 10073920, 10199844, 11333160, 12749805, 13599792, 15110880, 16999740, 18133056, 20399688, 22666320, 25499610, 27199584, 30221760, 33999480, 40799376, 45332640, 50999220, 54399168, 67998960, 81598752, 90665280, 101998440, 135997920, 163197504, 203996880, 271995840, 407993760, 815987520]

約数ペア:

[(1, 815987520), (2, 407993760), (3, 271995840), (4, 203996880), (5, 163197504), (6, 135997920), (8, 101998440), (9, 90665280), (10, 81598752), (12, 67998960), (15, 54399168), (16, 50999220), (18, 45332640), (20, 40799376), (24, 33999480), (27, 30221760), (30, 27199584), (32, 25499610), (36, 22666320), (40, 20399688), (45, 18133056), (48, 16999740), (54, 15110880), (60, 13599792), (64, 12749805), (72, 11333160), (80, 10199844), (81, 10073920), (90, 9066528), (96, 8499870), (108, 7555440), (120, 6799896), (135, 6044352), (144, 5666580), (160, 5099922), (162, 5036960), (180, 4533264), (192, 4249935), (216, 3777720), (240, 3399948), (270, 3022176), (288, 2833290), (320, 2549961), (324, 2518480), (360, 2266632), (405, 2014784), (432, 1888860), (480, 1699974), (540, 1511088), (576, 1416645), (648, 1259240), (720, 1133316), (810, 1007392), (864, 944430), (960, 849987), (1080, 755544), (1296, 629620), (1440, 566658), (1620, 503696), (1728, 472215), (2160, 377772), (2592, 314810), (2880, 283329), (3240, 251848), (4320, 188886), (5184, 157405), (6480, 125924), (8640, 94443), (12960, 62962), (25920, 31481)]