71851780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:174

約数の個数: 192

約数和(自身を含む): 210212352

約数和(自身を除く): 138360572

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 37, 44, 52, 55, 65, 70, 74, 77, 91, 97, 110, 130, 140, 143, 148, 154, 182, 185, 194, 220, 259, 260, 286, 308, 364, 370, 385, 388, 407, 455, 481, 485, 518, 572, 679, 715, 740, 770, 814, 910, 962, 970, 1001, 1036, 1067, 1261, 1295, 1358, 1430, 1540, 1628, 1820, 1924, 1940, 2002, 2035, 2134, 2405, 2522, 2590, 2716, 2849, 2860, 3367, 3395, 3589, 4004, 4070, 4268, 4810, 5005, 5044, 5180, 5291, 5335, 5698, 6305, 6734, 6790, 7178, 7469, 8140, 8827, 9620, 10010, 10582, 10670, 11396, 12610, 13468, 13580, 13871, 14245, 14356, 14938, 16835, 17654, 17945, 20020, 21164, 21340, 25123, 25220, 26455, 27742, 28490, 29876, 33670, 35308, 35890, 37037, 37345, 39479, 44135, 46657, 50246, 52910, 55484, 56980, 67340, 69355, 71780, 74074, 74690, 78958, 88270, 93314, 97097, 100492, 105820, 125615, 138710, 148148, 149380, 157916, 176540, 185185, 186628, 194194, 197395, 233285, 251230, 276353, 277420, 326599, 370370, 388388, 394790, 466570, 485485, 502460, 513227, 552706, 653198, 740740, 789580, 933140, 970970, 1026454, 1105412, 1306396, 1381765, 1632995, 1941940, 2052908, 2566135, 2763530, 3265990, 3592589, 5132270, 5527060, 6531980, 7185178, 10264540, 14370356, 17962945, 35925890, 71851780]

約数ペア:

[(1, 71851780), (2, 35925890), (4, 17962945), (5, 14370356), (7, 10264540), (10, 7185178), (11, 6531980), (13, 5527060), (14, 5132270), (20, 3592589), (22, 3265990), (26, 2763530), (28, 2566135), (35, 2052908), (37, 1941940), (44, 1632995), (52, 1381765), (55, 1306396), (65, 1105412), (70, 1026454), (74, 970970), (77, 933140), (91, 789580), (97, 740740), (110, 653198), (130, 552706), (140, 513227), (143, 502460), (148, 485485), (154, 466570), (182, 394790), (185, 388388), (194, 370370), (220, 326599), (259, 277420), (260, 276353), (286, 251230), (308, 233285), (364, 197395), (370, 194194), (385, 186628), (388, 185185), (407, 176540), (455, 157916), (481, 149380), (485, 148148), (518, 138710), (572, 125615), (679, 105820), (715, 100492), (740, 97097), (770, 93314), (814, 88270), (910, 78958), (962, 74690), (970, 74074), (1001, 71780), (1036, 69355), (1067, 67340), (1261, 56980), (1295, 55484), (1358, 52910), (1430, 50246), (1540, 46657), (1628, 44135), (1820, 39479), (1924, 37345), (1940, 37037), (2002, 35890), (2035, 35308), (2134, 33670), (2405, 29876), (2522, 28490), (2590, 27742), (2716, 26455), (2849, 25220), (2860, 25123), (3367, 21340), (3395, 21164), (3589, 20020), (4004, 17945), (4070, 17654), (4268, 16835), (4810, 14938), (5005, 14356), (5044, 14245), (5180, 13871), (5291, 13580), (5335, 13468), (5698, 12610), (6305, 11396), (6734, 10670), (6790, 10582), (7178, 10010), (7469, 9620), (8140, 8827)]