80468640

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{887}}^1$

素因数の和:921

約数の個数: 240

約数和(自身を含む): 324922752

約数和(自身を除く): 244454112

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 887, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1774, 1890, 2016, 2160, 2268, 2520, 2592, 2661, 2835, 3024, 3240, 3360, 3548, 3780, 4320, 4435, 4536, 5040, 5322, 5670, 6048, 6209, 6480, 7096, 7560, 7983, 8870, 9072, 10080, 10644, 11340, 12418, 12960, 13305, 14192, 15120, 15966, 17740, 18144, 18627, 21288, 22680, 23949, 24836, 26610, 28384, 30240, 31045, 31932, 35480, 37254, 39915, 42576, 45360, 47898, 49672, 53220, 55881, 62090, 63864, 70960, 71847, 74508, 79830, 85152, 90720, 93135, 95796, 99344, 106440, 111762, 119745, 124180, 127728, 141920, 143694, 149016, 159660, 167643, 186270, 191592, 198688, 212880, 223524, 239490, 248360, 255456, 279405, 287388, 298032, 319320, 335286, 359235, 372540, 383184, 425760, 447048, 478980, 496720, 502929, 558810, 574776, 596064, 638640, 670572, 718470, 745080, 766368, 838215, 894096, 957960, 993440, 1005858, 1117620, 1149552, 1277280, 1341144, 1436940, 1490160, 1676430, 1788192, 1915920, 2011716, 2235240, 2299104, 2514645, 2682288, 2873880, 2980320, 3352860, 3831840, 4023432, 4470480, 5029290, 5364576, 5747760, 6705720, 8046864, 8940960, 10058580, 11495520, 13411440, 16093728, 20117160, 26822880, 40234320, 80468640]

約数ペア:

[(1, 80468640), (2, 40234320), (3, 26822880), (4, 20117160), (5, 16093728), (6, 13411440), (7, 11495520), (8, 10058580), (9, 8940960), (10, 8046864), (12, 6705720), (14, 5747760), (15, 5364576), (16, 5029290), (18, 4470480), (20, 4023432), (21, 3831840), (24, 3352860), (27, 2980320), (28, 2873880), (30, 2682288), (32, 2514645), (35, 2299104), (36, 2235240), (40, 2011716), (42, 1915920), (45, 1788192), (48, 1676430), (54, 1490160), (56, 1436940), (60, 1341144), (63, 1277280), (70, 1149552), (72, 1117620), (80, 1005858), (81, 993440), (84, 957960), (90, 894096), (96, 838215), (105, 766368), (108, 745080), (112, 718470), (120, 670572), (126, 638640), (135, 596064), (140, 574776), (144, 558810), (160, 502929), (162, 496720), (168, 478980), (180, 447048), (189, 425760), (210, 383184), (216, 372540), (224, 359235), (240, 335286), (252, 319320), (270, 298032), (280, 287388), (288, 279405), (315, 255456), (324, 248360), (336, 239490), (360, 223524), (378, 212880), (405, 198688), (420, 191592), (432, 186270), (480, 167643), (504, 159660), (540, 149016), (560, 143694), (567, 141920), (630, 127728), (648, 124180), (672, 119745), (720, 111762), (756, 106440), (810, 99344), (840, 95796), (864, 93135), (887, 90720), (945, 85152), (1008, 79830), (1080, 74508), (1120, 71847), (1134, 70960), (1260, 63864), (1296, 62090), (1440, 55881), (1512, 53220), (1620, 49672), (1680, 47898), (1774, 45360), (1890, 42576), (2016, 39915), (2160, 37254), (2268, 35480), (2520, 31932), (2592, 31045), (2661, 30240), (2835, 28384), (3024, 26610), (3240, 24836), (3360, 23949), (3548, 22680), (3780, 21288), (4320, 18627), (4435, 18144), (4536, 17740), (5040, 15966), (5322, 15120), (5670, 14192), (6048, 13305), (6209, 12960), (6480, 12418), (7096, 11340), (7560, 10644), (7983, 10080), (8870, 9072)]