31338720

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{3109}}^1$

素因数の和:3137

約数の個数: 144

約数和(自身を含む): 122260320

約数和(自身を除く): 90921600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3109, 3360, 5040, 6218, 9327, 10080, 12436, 15545, 18654, 21763, 24872, 27981, 31090, 37308, 43526, 46635, 49744, 55962, 62180, 65289, 74616, 87052, 93270, 99488, 108815, 111924, 124360, 130578, 139905, 149232, 174104, 186540, 195867, 217630, 223848, 248720, 261156, 279810, 298464, 326445, 348208, 373080, 391734, 435260, 447696, 497440, 522312, 559620, 652890, 696416, 746160, 783468, 870520, 895392, 979335, 1044624, 1119240, 1305780, 1492320, 1566936, 1741040, 1958670, 2089248, 2238480, 2611560, 3133872, 3482080, 3917340, 4476960, 5223120, 6267744, 7834680, 10446240, 15669360, 31338720]

約数ペア:

[(1, 31338720), (2, 15669360), (3, 10446240), (4, 7834680), (5, 6267744), (6, 5223120), (7, 4476960), (8, 3917340), (9, 3482080), (10, 3133872), (12, 2611560), (14, 2238480), (15, 2089248), (16, 1958670), (18, 1741040), (20, 1566936), (21, 1492320), (24, 1305780), (28, 1119240), (30, 1044624), (32, 979335), (35, 895392), (36, 870520), (40, 783468), (42, 746160), (45, 696416), (48, 652890), (56, 559620), (60, 522312), (63, 497440), (70, 447696), (72, 435260), (80, 391734), (84, 373080), (90, 348208), (96, 326445), (105, 298464), (112, 279810), (120, 261156), (126, 248720), (140, 223848), (144, 217630), (160, 195867), (168, 186540), (180, 174104), (210, 149232), (224, 139905), (240, 130578), (252, 124360), (280, 111924), (288, 108815), (315, 99488), (336, 93270), (360, 87052), (420, 74616), (480, 65289), (504, 62180), (560, 55962), (630, 49744), (672, 46635), (720, 43526), (840, 37308), (1008, 31090), (1120, 27981), (1260, 24872), (1440, 21763), (1680, 18654), (2016, 15545), (2520, 12436), (3109, 10080), (3360, 9327), (5040, 6218)]