81989497128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1\times {\mathrm{1571}}^1$

素因数の和:2540

約数の個数: 256

約数和(自身を含む): 264252948480

約数和(自身を除く): 182263451352

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 31, 33, 42, 44, 56, 62, 66, 77, 84, 88, 93, 124, 132, 154, 168, 186, 217, 231, 248, 264, 308, 341, 372, 434, 462, 616, 651, 682, 744, 868, 911, 924, 1023, 1302, 1364, 1571, 1736, 1822, 1848, 2046, 2387, 2604, 2728, 2733, 3142, 3644, 4092, 4713, 4774, 5208, 5466, 6284, 6377, 7161, 7288, 8184, 9426, 9548, 10021, 10932, 10997, 12568, 12754, 14322, 17281, 18852, 19096, 19131, 20042, 21864, 21994, 25508, 28241, 28644, 30063, 32991, 34562, 37704, 38262, 40084, 43988, 48701, 51016, 51843, 56482, 57288, 60126, 65982, 69124, 70147, 76524, 80168, 84723, 87976, 97402, 103686, 112964, 120252, 120967, 131964, 138248, 140294, 146103, 153048, 169446, 194804, 197687, 207372, 210441, 225928, 240504, 241934, 263928, 280588, 292206, 310651, 338892, 340907, 362901, 389608, 395374, 414744, 420882, 483868, 535711, 561176, 584412, 593061, 621302, 677784, 681814, 725802, 790748, 841764, 931953, 967736, 1022721, 1071422, 1168824, 1186122, 1242604, 1363628, 1431181, 1451604, 1581496, 1607133, 1683528, 1863906, 2045442, 2142844, 2174557, 2372244, 2485208, 2727256, 2862362, 2903208, 3214266, 3727812, 3749977, 4090884, 4285688, 4293543, 4349114, 4744488, 5724724, 6428532, 6523671, 7455624, 7499954, 8181768, 8587086, 8698228, 10018267, 11249931, 11449448, 12857064, 13047342, 14999908, 15742991, 17174172, 17396456, 20036534, 22499862, 26094684, 29999816, 30054801, 31485982, 34348344, 40073068, 44366611, 44999724, 47228973, 52189368, 60109602, 62971964, 80146136, 88733222, 89999448, 94457946, 110200937, 120219204, 125943928, 133099833, 177466444, 188915892, 220401874, 240438408, 266199666, 310566277, 330602811, 354932888, 377831784, 440803748, 488032721, 532399332, 621132554, 661205622, 881607496, 931698831, 976065442, 1064798664, 1242265108, 1322411244, 1464098163, 1863397662, 1952130884, 2484530216, 2644822488, 2928196326, 3416229047, 3726795324, 3904261768, 5856392652, 6832458094, 7453590648, 10248687141, 11712785304, 13664916188, 20497374282, 27329832376, 40994748564, 81989497128]

約数ペア:

[(1, 81989497128), (2, 40994748564), (3, 27329832376), (4, 20497374282), (6, 13664916188), (7, 11712785304), (8, 10248687141), (11, 7453590648), (12, 6832458094), (14, 5856392652), (21, 3904261768), (22, 3726795324), (24, 3416229047), (28, 2928196326), (31, 2644822488), (33, 2484530216), (42, 1952130884), (44, 1863397662), (56, 1464098163), (62, 1322411244), (66, 1242265108), (77, 1064798664), (84, 976065442), (88, 931698831), (93, 881607496), (124, 661205622), (132, 621132554), (154, 532399332), (168, 488032721), (186, 440803748), (217, 377831784), (231, 354932888), (248, 330602811), (264, 310566277), (308, 266199666), (341, 240438408), (372, 220401874), (434, 188915892), (462, 177466444), (616, 133099833), (651, 125943928), (682, 120219204), (744, 110200937), (868, 94457946), (911, 89999448), (924, 88733222), (1023, 80146136), (1302, 62971964), (1364, 60109602), (1571, 52189368), (1736, 47228973), (1822, 44999724), (1848, 44366611), (2046, 40073068), (2387, 34348344), (2604, 31485982), (2728, 30054801), (2733, 29999816), (3142, 26094684), (3644, 22499862), (4092, 20036534), (4713, 17396456), (4774, 17174172), (5208, 15742991), (5466, 14999908), (6284, 13047342), (6377, 12857064), (7161, 11449448), (7288, 11249931), (8184, 10018267), (9426, 8698228), (9548, 8587086), (10021, 8181768), (10932, 7499954), (10997, 7455624), (12568, 6523671), (12754, 6428532), (14322, 5724724), (17281, 4744488), (18852, 4349114), (19096, 4293543), (19131, 4285688), (20042, 4090884), (21864, 3749977), (21994, 3727812), (25508, 3214266), (28241, 2903208), (28644, 2862362), (30063, 2727256), (32991, 2485208), (34562, 2372244), (37704, 2174557), (38262, 2142844), (40084, 2045442), (43988, 1863906), (48701, 1683528), (51016, 1607133), (51843, 1581496), (56482, 1451604), (57288, 1431181), (60126, 1363628), (65982, 1242604), (69124, 1186122), (70147, 1168824), (76524, 1071422), (80168, 1022721), (84723, 967736), (87976, 931953), (97402, 841764), (103686, 790748), (112964, 725802), (120252, 681814), (120967, 677784), (131964, 621302), (138248, 593061), (140294, 584412), (146103, 561176), (153048, 535711), (169446, 483868), (194804, 420882), (197687, 414744), (207372, 395374), (210441, 389608), (225928, 362901), (240504, 340907), (241934, 338892), (263928, 310651), (280588, 292206)]