172458720

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{1901}}^1$

素因数の和:1935

約数の個数: 240

約数和(自身を含む): 695949408

約数和(自身を除く): 523490688

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, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 1901, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 3802, 4320, 4536, 5040, 5670, 5703, 6048, 6480, 7560, 7604, 9072, 9505, 10080, 11340, 11406, 12960, 13307, 15120, 15208, 17109, 18144, 19010, 22680, 22812, 26614, 28515, 30240, 30416, 34218, 38020, 39921, 45360, 45624, 51327, 53228, 57030, 60832, 66535, 68436, 76040, 79842, 85545, 90720, 91248, 102654, 106456, 114060, 119763, 133070, 136872, 152080, 153981, 159684, 171090, 182496, 199605, 205308, 212912, 228120, 239526, 256635, 266140, 273744, 304160, 307962, 319368, 342180, 359289, 399210, 410616, 425824, 456240, 479052, 513270, 532280, 547488, 598815, 615924, 638736, 684360, 718578, 769905, 798420, 821232, 912480, 958104, 1026540, 1064560, 1077867, 1197630, 1231848, 1277472, 1368720, 1437156, 1539810, 1596840, 1642464, 1796445, 1916208, 2053080, 2129120, 2155734, 2395260, 2463696, 2737440, 2874312, 3079620, 3193680, 3592890, 3832416, 4106160, 4311468, 4790520, 4927392, 5389335, 5748624, 6159240, 6387360, 7185780, 8212320, 8622936, 9581040, 10778670, 11497248, 12318480, 14371560, 17245872, 19162080, 21557340, 24636960, 28743120, 34491744, 43114680, 57486240, 86229360, 172458720]

約数ペア:

[(1, 172458720), (2, 86229360), (3, 57486240), (4, 43114680), (5, 34491744), (6, 28743120), (7, 24636960), (8, 21557340), (9, 19162080), (10, 17245872), (12, 14371560), (14, 12318480), (15, 11497248), (16, 10778670), (18, 9581040), (20, 8622936), (21, 8212320), (24, 7185780), (27, 6387360), (28, 6159240), (30, 5748624), (32, 5389335), (35, 4927392), (36, 4790520), (40, 4311468), (42, 4106160), (45, 3832416), (48, 3592890), (54, 3193680), (56, 3079620), (60, 2874312), (63, 2737440), (70, 2463696), (72, 2395260), (80, 2155734), (81, 2129120), (84, 2053080), (90, 1916208), (96, 1796445), (105, 1642464), (108, 1596840), (112, 1539810), (120, 1437156), (126, 1368720), (135, 1277472), (140, 1231848), (144, 1197630), (160, 1077867), (162, 1064560), (168, 1026540), (180, 958104), (189, 912480), (210, 821232), (216, 798420), (224, 769905), (240, 718578), (252, 684360), (270, 638736), (280, 615924), (288, 598815), (315, 547488), (324, 532280), (336, 513270), (360, 479052), (378, 456240), (405, 425824), (420, 410616), (432, 399210), (480, 359289), (504, 342180), (540, 319368), (560, 307962), (567, 304160), (630, 273744), (648, 266140), (672, 256635), (720, 239526), (756, 228120), (810, 212912), (840, 205308), (864, 199605), (945, 182496), (1008, 171090), (1080, 159684), (1120, 153981), (1134, 152080), (1260, 136872), (1296, 133070), (1440, 119763), (1512, 114060), (1620, 106456), (1680, 102654), (1890, 91248), (1901, 90720), (2016, 85545), (2160, 79842), (2268, 76040), (2520, 68436), (2592, 66535), (2835, 60832), (3024, 57030), (3240, 53228), (3360, 51327), (3780, 45624), (3802, 45360), (4320, 39921), (4536, 38020), (5040, 34218), (5670, 30416), (5703, 30240), (6048, 28515), (6480, 26614), (7560, 22812), (7604, 22680), (9072, 19010), (9505, 18144), (10080, 17109), (11340, 15208), (11406, 15120), (12960, 13307)]