128653920

素因数分解:

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

素因数の和:1136

約数の個数: 168

約数和(自身を含む): 456122016

約数和(自身を除く): 327468096

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

約数ペア:

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