257307840

素因数分解:

$2^6\times 3^6\times 5^1\times {\mathrm{1103}}^1$

素因数の和:1138

約数の個数: 196

約数和(自身を含む): 919484064

約数和(自身を除く): 662176224

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, 243, 270, 288, 320, 324, 360, 405, 432, 480, 486, 540, 576, 648, 720, 729, 810, 864, 960, 972, 1080, 1103, 1215, 1296, 1440, 1458, 1620, 1728, 1944, 2160, 2206, 2430, 2592, 2880, 2916, 3240, 3309, 3645, 3888, 4320, 4412, 4860, 5184, 5515, 5832, 6480, 6618, 7290, 7776, 8640, 8824, 9720, 9927, 11030, 11664, 12960, 13236, 14580, 15552, 16545, 17648, 19440, 19854, 22060, 23328, 25920, 26472, 29160, 29781, 33090, 35296, 38880, 39708, 44120, 46656, 49635, 52944, 58320, 59562, 66180, 70592, 77760, 79416, 88240, 89343, 99270, 105888, 116640, 119124, 132360, 148905, 158832, 176480, 178686, 198540, 211776, 233280, 238248, 264720, 268029, 297810, 317664, 352960, 357372, 397080, 446715, 476496, 529440, 536058, 595620, 635328, 714744, 794160, 804087, 893430, 952992, 1058880, 1072116, 1191240, 1340145, 1429488, 1588320, 1608174, 1786860, 1905984, 2144232, 2382480, 2680290, 2858976, 3176640, 3216348, 3573720, 4020435, 4288464, 4764960, 5360580, 5717952, 6432696, 7147440, 8040870, 8576928, 9529920, 10721160, 12865392, 14294880, 16081740, 17153856, 21442320, 25730784, 28589760, 32163480, 42884640, 51461568, 64326960, 85769280, 128653920, 257307840]

約数ペア:

[(1, 257307840), (2, 128653920), (3, 85769280), (4, 64326960), (5, 51461568), (6, 42884640), (8, 32163480), (9, 28589760), (10, 25730784), (12, 21442320), (15, 17153856), (16, 16081740), (18, 14294880), (20, 12865392), (24, 10721160), (27, 9529920), (30, 8576928), (32, 8040870), (36, 7147440), (40, 6432696), (45, 5717952), (48, 5360580), (54, 4764960), (60, 4288464), (64, 4020435), (72, 3573720), (80, 3216348), (81, 3176640), (90, 2858976), (96, 2680290), (108, 2382480), (120, 2144232), (135, 1905984), (144, 1786860), (160, 1608174), (162, 1588320), (180, 1429488), (192, 1340145), (216, 1191240), (240, 1072116), (243, 1058880), (270, 952992), (288, 893430), (320, 804087), (324, 794160), (360, 714744), (405, 635328), (432, 595620), (480, 536058), (486, 529440), (540, 476496), (576, 446715), (648, 397080), (720, 357372), (729, 352960), (810, 317664), (864, 297810), (960, 268029), (972, 264720), (1080, 238248), (1103, 233280), (1215, 211776), (1296, 198540), (1440, 178686), (1458, 176480), (1620, 158832), (1728, 148905), (1944, 132360), (2160, 119124), (2206, 116640), (2430, 105888), (2592, 99270), (2880, 89343), (2916, 88240), (3240, 79416), (3309, 77760), (3645, 70592), (3888, 66180), (4320, 59562), (4412, 58320), (4860, 52944), (5184, 49635), (5515, 46656), (5832, 44120), (6480, 39708), (6618, 38880), (7290, 35296), (7776, 33090), (8640, 29781), (8824, 29160), (9720, 26472), (9927, 25920), (11030, 23328), (11664, 22060), (12960, 19854), (13236, 19440), (14580, 17648), (15552, 16545)]