25168320

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{971}}^1$

素因数の和:1000

約数の個数: 140

約数和(自身を含む): 89620344

約数和(自身を除く): 64452024

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, 971, 1080, 1296, 1440, 1620, 1728, 1942, 2160, 2592, 2880, 2913, 3240, 3884, 4320, 4855, 5184, 5826, 6480, 7768, 8640, 8739, 9710, 11652, 12960, 14565, 15536, 17478, 19420, 23304, 25920, 26217, 29130, 31072, 34956, 38840, 43695, 46608, 52434, 58260, 62144, 69912, 77680, 78651, 87390, 93216, 104868, 116520, 131085, 139824, 155360, 157302, 174780, 186432, 209736, 233040, 262170, 279648, 310720, 314604, 349560, 393255, 419472, 466080, 524340, 559296, 629208, 699120, 786510, 838944, 932160, 1048680, 1258416, 1398240, 1573020, 1677888, 2097360, 2516832, 2796480, 3146040, 4194720, 5033664, 6292080, 8389440, 12584160, 25168320]

約数ペア:

[(1, 25168320), (2, 12584160), (3, 8389440), (4, 6292080), (5, 5033664), (6, 4194720), (8, 3146040), (9, 2796480), (10, 2516832), (12, 2097360), (15, 1677888), (16, 1573020), (18, 1398240), (20, 1258416), (24, 1048680), (27, 932160), (30, 838944), (32, 786510), (36, 699120), (40, 629208), (45, 559296), (48, 524340), (54, 466080), (60, 419472), (64, 393255), (72, 349560), (80, 314604), (81, 310720), (90, 279648), (96, 262170), (108, 233040), (120, 209736), (135, 186432), (144, 174780), (160, 157302), (162, 155360), (180, 139824), (192, 131085), (216, 116520), (240, 104868), (270, 93216), (288, 87390), (320, 78651), (324, 77680), (360, 69912), (405, 62144), (432, 58260), (480, 52434), (540, 46608), (576, 43695), (648, 38840), (720, 34956), (810, 31072), (864, 29130), (960, 26217), (971, 25920), (1080, 23304), (1296, 19420), (1440, 17478), (1620, 15536), (1728, 14565), (1942, 12960), (2160, 11652), (2592, 9710), (2880, 8739), (2913, 8640), (3240, 7768), (3884, 6480), (4320, 5826), (4855, 5184)]