1285403904

素因数分解:

$2^8\times 3^5\times {\mathrm{20663}}^1$

素因数の和:20694

約数の個数: 108

約数和(自身を含む): 3843586656

約数和(自身を除く): 2558182752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 243, 256, 288, 324, 384, 432, 486, 576, 648, 768, 864, 972, 1152, 1296, 1728, 1944, 2304, 2592, 3456, 3888, 5184, 6912, 7776, 10368, 15552, 20663, 20736, 31104, 41326, 61989, 62208, 82652, 123978, 165304, 185967, 247956, 330608, 371934, 495912, 557901, 661216, 743868, 991824, 1115802, 1322432, 1487736, 1673703, 1983648, 2231604, 2644864, 2975472, 3347406, 3967296, 4463208, 5021109, 5289728, 5950944, 6694812, 7934592, 8926416, 10042218, 11901888, 13389624, 15869184, 17852832, 20084436, 23803776, 26779248, 35705664, 40168872, 47607552, 53558496, 71411328, 80337744, 107116992, 142822656, 160675488, 214233984, 321350976, 428467968, 642701952, 1285403904]

約数ペア:

[(1, 1285403904), (2, 642701952), (3, 428467968), (4, 321350976), (6, 214233984), (8, 160675488), (9, 142822656), (12, 107116992), (16, 80337744), (18, 71411328), (24, 53558496), (27, 47607552), (32, 40168872), (36, 35705664), (48, 26779248), (54, 23803776), (64, 20084436), (72, 17852832), (81, 15869184), (96, 13389624), (108, 11901888), (128, 10042218), (144, 8926416), (162, 7934592), (192, 6694812), (216, 5950944), (243, 5289728), (256, 5021109), (288, 4463208), (324, 3967296), (384, 3347406), (432, 2975472), (486, 2644864), (576, 2231604), (648, 1983648), (768, 1673703), (864, 1487736), (972, 1322432), (1152, 1115802), (1296, 991824), (1728, 743868), (1944, 661216), (2304, 557901), (2592, 495912), (3456, 371934), (3888, 330608), (5184, 247956), (6912, 185967), (7776, 165304), (10368, 123978), (15552, 82652), (20663, 62208), (20736, 61989), (31104, 41326)]