81809280

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{2029}}^1$

素因数の和:2061

約数の個数: 192

約数和(自身を含む): 323013600

約数和(自身を除く): 241204320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2029, 2240, 2520, 2688, 2880, 3360, 4032, 4058, 4480, 5040, 5760, 6087, 6720, 8064, 8116, 10080, 10145, 12174, 13440, 14203, 16232, 18261, 20160, 20290, 24348, 28406, 30435, 32464, 36522, 40320, 40580, 42609, 48696, 56812, 60870, 64928, 71015, 73044, 81160, 85218, 91305, 97392, 113624, 121740, 127827, 129856, 142030, 146088, 162320, 170436, 182610, 194784, 213045, 227248, 243480, 255654, 259712, 284060, 292176, 324640, 340872, 365220, 389568, 426090, 454496, 486960, 511308, 568120, 584352, 639135, 649280, 681744, 730440, 779136, 852180, 908992, 973920, 1022616, 1136240, 1168704, 1278270, 1298560, 1363488, 1460880, 1704360, 1817984, 1947840, 2045232, 2272480, 2337408, 2556540, 2726976, 2921760, 3408720, 3895680, 4090464, 4544960, 5113080, 5453952, 5843520, 6817440, 8180928, 9089920, 10226160, 11687040, 13634880, 16361856, 20452320, 27269760, 40904640, 81809280]

約数ペア:

[(1, 81809280), (2, 40904640), (3, 27269760), (4, 20452320), (5, 16361856), (6, 13634880), (7, 11687040), (8, 10226160), (9, 9089920), (10, 8180928), (12, 6817440), (14, 5843520), (15, 5453952), (16, 5113080), (18, 4544960), (20, 4090464), (21, 3895680), (24, 3408720), (28, 2921760), (30, 2726976), (32, 2556540), (35, 2337408), (36, 2272480), (40, 2045232), (42, 1947840), (45, 1817984), (48, 1704360), (56, 1460880), (60, 1363488), (63, 1298560), (64, 1278270), (70, 1168704), (72, 1136240), (80, 1022616), (84, 973920), (90, 908992), (96, 852180), (105, 779136), (112, 730440), (120, 681744), (126, 649280), (128, 639135), (140, 584352), (144, 568120), (160, 511308), (168, 486960), (180, 454496), (192, 426090), (210, 389568), (224, 365220), (240, 340872), (252, 324640), (280, 292176), (288, 284060), (315, 259712), (320, 255654), (336, 243480), (360, 227248), (384, 213045), (420, 194784), (448, 182610), (480, 170436), (504, 162320), (560, 146088), (576, 142030), (630, 129856), (640, 127827), (672, 121740), (720, 113624), (840, 97392), (896, 91305), (960, 85218), (1008, 81160), (1120, 73044), (1152, 71015), (1260, 64928), (1344, 60870), (1440, 56812), (1680, 48696), (1920, 42609), (2016, 40580), (2029, 40320), (2240, 36522), (2520, 32464), (2688, 30435), (2880, 28406), (3360, 24348), (4032, 20290), (4058, 20160), (4480, 18261), (5040, 16232), (5760, 14203), (6087, 13440), (6720, 12174), (8064, 10145), (8116, 10080)]