205435440

素因数分解:

$2^4\times 3^4\times 5^1\times 7^2\times {\mathrm{647}}^1$

素因数の和:686

約数の個数: 300

約数和(自身を含む): 831281616

約数和(自身を除く): 625846176

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 162, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 324, 336, 360, 378, 392, 405, 420, 432, 441, 490, 504, 540, 560, 567, 588, 630, 647, 648, 720, 735, 756, 784, 810, 840, 882, 945, 980, 1008, 1080, 1134, 1176, 1260, 1294, 1296, 1323, 1470, 1512, 1620, 1680, 1764, 1890, 1941, 1960, 2160, 2205, 2268, 2352, 2520, 2588, 2646, 2835, 2940, 3024, 3235, 3240, 3528, 3780, 3882, 3920, 3969, 4410, 4529, 4536, 5040, 5176, 5292, 5670, 5823, 5880, 6470, 6480, 6615, 7056, 7560, 7764, 7938, 8820, 9058, 9072, 9705, 10352, 10584, 11340, 11646, 11760, 12940, 13230, 13587, 15120, 15528, 15876, 17469, 17640, 18116, 19410, 19845, 21168, 22645, 22680, 23292, 25880, 26460, 27174, 29115, 31056, 31703, 31752, 34938, 35280, 36232, 38820, 39690, 40761, 45290, 45360, 46584, 51760, 52407, 52920, 54348, 58230, 63406, 63504, 67935, 69876, 72464, 77640, 79380, 81522, 87345, 90580, 93168, 95109, 104814, 105840, 108696, 116460, 122283, 126812, 135870, 139752, 155280, 158515, 158760, 163044, 174690, 181160, 190218, 203805, 209628, 217392, 232920, 244566, 253624, 262035, 271740, 279504, 285327, 317030, 317520, 326088, 349380, 362320, 366849, 380436, 407610, 419256, 465840, 475545, 489132, 507248, 524070, 543480, 570654, 611415, 634060, 652176, 698760, 733698, 760872, 815220, 838512, 855981, 951090, 978264, 1048140, 1086960, 1141308, 1222830, 1268120, 1397520, 1426635, 1467396, 1521744, 1630440, 1711962, 1834245, 1902180, 1956528, 2096280, 2282616, 2445660, 2536240, 2567943, 2853270, 2934792, 3260880, 3423924, 3668490, 3804360, 4192560, 4279905, 4565232, 4891320, 5135886, 5706540, 5869584, 6847848, 7336980, 7608720, 8559810, 9782640, 10271772, 11413080, 12839715, 13695696, 14673960, 17119620, 20543544, 22826160, 25679430, 29347920, 34239240, 41087088, 51358860, 68478480, 102717720, 205435440]

約数ペア:

[(1, 205435440), (2, 102717720), (3, 68478480), (4, 51358860), (5, 41087088), (6, 34239240), (7, 29347920), (8, 25679430), (9, 22826160), (10, 20543544), (12, 17119620), (14, 14673960), (15, 13695696), (16, 12839715), (18, 11413080), (20, 10271772), (21, 9782640), (24, 8559810), (27, 7608720), (28, 7336980), (30, 6847848), (35, 5869584), (36, 5706540), (40, 5135886), (42, 4891320), (45, 4565232), (48, 4279905), (49, 4192560), (54, 3804360), (56, 3668490), (60, 3423924), (63, 3260880), (70, 2934792), (72, 2853270), (80, 2567943), (81, 2536240), (84, 2445660), (90, 2282616), (98, 2096280), (105, 1956528), (108, 1902180), (112, 1834245), (120, 1711962), (126, 1630440), (135, 1521744), (140, 1467396), (144, 1426635), (147, 1397520), (162, 1268120), (168, 1222830), (180, 1141308), (189, 1086960), (196, 1048140), (210, 978264), (216, 951090), (240, 855981), (245, 838512), (252, 815220), (270, 760872), (280, 733698), (294, 698760), (315, 652176), (324, 634060), (336, 611415), (360, 570654), (378, 543480), (392, 524070), (405, 507248), (420, 489132), (432, 475545), (441, 465840), (490, 419256), (504, 407610), (540, 380436), (560, 366849), (567, 362320), (588, 349380), (630, 326088), (647, 317520), (648, 317030), (720, 285327), (735, 279504), (756, 271740), (784, 262035), (810, 253624), (840, 244566), (882, 232920), (945, 217392), (980, 209628), (1008, 203805), (1080, 190218), (1134, 181160), (1176, 174690), (1260, 163044), (1294, 158760), (1296, 158515), (1323, 155280), (1470, 139752), (1512, 135870), (1620, 126812), (1680, 122283), (1764, 116460), (1890, 108696), (1941, 105840), (1960, 104814), (2160, 95109), (2205, 93168), (2268, 90580), (2352, 87345), (2520, 81522), (2588, 79380), (2646, 77640), (2835, 72464), (2940, 69876), (3024, 67935), (3235, 63504), (3240, 63406), (3528, 58230), (3780, 54348), (3882, 52920), (3920, 52407), (3969, 51760), (4410, 46584), (4529, 45360), (4536, 45290), (5040, 40761), (5176, 39690), (5292, 38820), (5670, 36232), (5823, 35280), (5880, 34938), (6470, 31752), (6480, 31703), (6615, 31056), (7056, 29115), (7560, 27174), (7764, 26460), (7938, 25880), (8820, 23292), (9058, 22680), (9072, 22645), (9705, 21168), (10352, 19845), (10584, 19410), (11340, 18116), (11646, 17640), (11760, 17469), (12940, 15876), (13230, 15528), (13587, 15120)]