247397760

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:270

約数の個数: 256

約数和(自身を含む): 891072000

約数和(自身を除く): 643674240

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, 90, 96, 103, 108, 120, 128, 135, 139, 144, 160, 180, 192, 206, 216, 240, 270, 278, 288, 309, 320, 360, 384, 412, 417, 432, 480, 515, 540, 556, 576, 618, 640, 695, 720, 824, 834, 864, 927, 960, 1030, 1080, 1112, 1152, 1236, 1251, 1390, 1440, 1545, 1648, 1668, 1728, 1854, 1920, 2060, 2085, 2160, 2224, 2472, 2502, 2780, 2781, 2880, 3090, 3296, 3336, 3456, 3708, 3753, 4120, 4170, 4320, 4448, 4635, 4944, 5004, 5560, 5562, 5760, 6180, 6255, 6592, 6672, 7416, 7506, 8240, 8340, 8640, 8896, 9270, 9888, 10008, 11120, 11124, 12360, 12510, 13184, 13344, 13905, 14317, 14832, 15012, 16480, 16680, 17280, 17792, 18540, 18765, 19776, 20016, 22240, 22248, 24720, 25020, 26688, 27810, 28634, 29664, 30024, 32960, 33360, 37080, 37530, 39552, 40032, 42951, 44480, 44496, 49440, 50040, 53376, 55620, 57268, 59328, 60048, 65920, 66720, 71585, 74160, 75060, 80064, 85902, 88960, 88992, 98880, 100080, 111240, 114536, 118656, 120096, 128853, 133440, 143170, 148320, 150120, 160128, 171804, 177984, 197760, 200160, 214755, 222480, 229072, 240192, 257706, 266880, 286340, 296640, 300240, 343608, 355968, 386559, 400320, 429510, 444960, 458144, 480384, 515412, 572680, 593280, 600480, 644265, 687216, 773118, 800640, 859020, 889920, 916288, 1030824, 1145360, 1200960, 1288530, 1374432, 1546236, 1718040, 1779840, 1832576, 1932795, 2061648, 2290720, 2401920, 2577060, 2748864, 3092472, 3436080, 3865590, 4123296, 4581440, 5154120, 5497728, 6184944, 6872160, 7731180, 8246592, 9162880, 10308240, 12369888, 13744320, 15462360, 16493184, 20616480, 24739776, 27488640, 30924720, 41232960, 49479552, 61849440, 82465920, 123698880, 247397760]

約数ペア:

[(1, 247397760), (2, 123698880), (3, 82465920), (4, 61849440), (5, 49479552), (6, 41232960), (8, 30924720), (9, 27488640), (10, 24739776), (12, 20616480), (15, 16493184), (16, 15462360), (18, 13744320), (20, 12369888), (24, 10308240), (27, 9162880), (30, 8246592), (32, 7731180), (36, 6872160), (40, 6184944), (45, 5497728), (48, 5154120), (54, 4581440), (60, 4123296), (64, 3865590), (72, 3436080), (80, 3092472), (90, 2748864), (96, 2577060), (103, 2401920), (108, 2290720), (120, 2061648), (128, 1932795), (135, 1832576), (139, 1779840), (144, 1718040), (160, 1546236), (180, 1374432), (192, 1288530), (206, 1200960), (216, 1145360), (240, 1030824), (270, 916288), (278, 889920), (288, 859020), (309, 800640), (320, 773118), (360, 687216), (384, 644265), (412, 600480), (417, 593280), (432, 572680), (480, 515412), (515, 480384), (540, 458144), (556, 444960), (576, 429510), (618, 400320), (640, 386559), (695, 355968), (720, 343608), (824, 300240), (834, 296640), (864, 286340), (927, 266880), (960, 257706), (1030, 240192), (1080, 229072), (1112, 222480), (1152, 214755), (1236, 200160), (1251, 197760), (1390, 177984), (1440, 171804), (1545, 160128), (1648, 150120), (1668, 148320), (1728, 143170), (1854, 133440), (1920, 128853), (2060, 120096), (2085, 118656), (2160, 114536), (2224, 111240), (2472, 100080), (2502, 98880), (2780, 88992), (2781, 88960), (2880, 85902), (3090, 80064), (3296, 75060), (3336, 74160), (3456, 71585), (3708, 66720), (3753, 65920), (4120, 60048), (4170, 59328), (4320, 57268), (4448, 55620), (4635, 53376), (4944, 50040), (5004, 49440), (5560, 44496), (5562, 44480), (5760, 42951), (6180, 40032), (6255, 39552), (6592, 37530), (6672, 37080), (7416, 33360), (7506, 32960), (8240, 30024), (8340, 29664), (8640, 28634), (8896, 27810), (9270, 26688), (9888, 25020), (10008, 24720), (11120, 22248), (11124, 22240), (12360, 20016), (12510, 19776), (13184, 18765), (13344, 18540), (13905, 17792), (14317, 17280), (14832, 16680), (15012, 16480)]