217481760

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:297

約数の個数: 240

約数和(自身を含む): 779924376

約数和(自身を除く): 562442616

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, 72, 80, 81, 90, 96, 97, 108, 120, 135, 144, 160, 162, 173, 180, 194, 216, 240, 270, 288, 291, 324, 346, 360, 388, 405, 432, 480, 485, 519, 540, 582, 648, 692, 720, 776, 810, 864, 865, 873, 970, 1038, 1080, 1164, 1296, 1384, 1440, 1455, 1552, 1557, 1620, 1730, 1746, 1940, 2076, 2160, 2328, 2592, 2595, 2619, 2768, 2910, 3104, 3114, 3240, 3460, 3492, 3880, 4152, 4320, 4365, 4656, 4671, 5190, 5238, 5536, 5820, 6228, 6480, 6920, 6984, 7760, 7785, 7857, 8304, 8730, 9312, 9342, 10380, 10476, 11640, 12456, 12960, 13095, 13840, 13968, 14013, 15520, 15570, 15714, 16608, 16781, 17460, 18684, 20760, 20952, 23280, 23355, 24912, 26190, 27680, 27936, 28026, 31140, 31428, 33562, 34920, 37368, 39285, 41520, 41904, 46560, 46710, 49824, 50343, 52380, 56052, 62280, 62856, 67124, 69840, 70065, 74736, 78570, 83040, 83808, 83905, 93420, 100686, 104760, 112104, 124560, 125712, 134248, 139680, 140130, 149472, 151029, 157140, 167810, 186840, 201372, 209520, 224208, 249120, 251424, 251715, 268496, 280260, 302058, 314280, 335620, 373680, 402744, 419040, 448416, 453087, 503430, 536992, 560520, 604116, 628560, 671240, 747360, 755145, 805488, 906174, 1006860, 1121040, 1208232, 1257120, 1342480, 1359261, 1510290, 1610976, 1812348, 2013720, 2242080, 2265435, 2416464, 2684960, 2718522, 3020580, 3624696, 4027440, 4530870, 4832928, 5437044, 6041160, 6796305, 7249392, 8054880, 9061740, 10874088, 12082320, 13592610, 14498784, 18123480, 21748176, 24164640, 27185220, 36246960, 43496352, 54370440, 72493920, 108740880, 217481760]

約数ペア:

[(1, 217481760), (2, 108740880), (3, 72493920), (4, 54370440), (5, 43496352), (6, 36246960), (8, 27185220), (9, 24164640), (10, 21748176), (12, 18123480), (15, 14498784), (16, 13592610), (18, 12082320), (20, 10874088), (24, 9061740), (27, 8054880), (30, 7249392), (32, 6796305), (36, 6041160), (40, 5437044), (45, 4832928), (48, 4530870), (54, 4027440), (60, 3624696), (72, 3020580), (80, 2718522), (81, 2684960), (90, 2416464), (96, 2265435), (97, 2242080), (108, 2013720), (120, 1812348), (135, 1610976), (144, 1510290), (160, 1359261), (162, 1342480), (173, 1257120), (180, 1208232), (194, 1121040), (216, 1006860), (240, 906174), (270, 805488), (288, 755145), (291, 747360), (324, 671240), (346, 628560), (360, 604116), (388, 560520), (405, 536992), (432, 503430), (480, 453087), (485, 448416), (519, 419040), (540, 402744), (582, 373680), (648, 335620), (692, 314280), (720, 302058), (776, 280260), (810, 268496), (864, 251715), (865, 251424), (873, 249120), (970, 224208), (1038, 209520), (1080, 201372), (1164, 186840), (1296, 167810), (1384, 157140), (1440, 151029), (1455, 149472), (1552, 140130), (1557, 139680), (1620, 134248), (1730, 125712), (1746, 124560), (1940, 112104), (2076, 104760), (2160, 100686), (2328, 93420), (2592, 83905), (2595, 83808), (2619, 83040), (2768, 78570), (2910, 74736), (3104, 70065), (3114, 69840), (3240, 67124), (3460, 62856), (3492, 62280), (3880, 56052), (4152, 52380), (4320, 50343), (4365, 49824), (4656, 46710), (4671, 46560), (5190, 41904), (5238, 41520), (5536, 39285), (5820, 37368), (6228, 34920), (6480, 33562), (6920, 31428), (6984, 31140), (7760, 28026), (7785, 27936), (7857, 27680), (8304, 26190), (8730, 24912), (9312, 23355), (9342, 23280), (10380, 20952), (10476, 20760), (11640, 18684), (12456, 17460), (12960, 16781), (13095, 16608), (13840, 15714), (13968, 15570), (14013, 15520)]