81771360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{911}}^1$

素因数の和:957

約数の個数: 192

約数和(自身を含む): 297851904

約数和(自身を除く): 216080544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 32, 33, 34, 40, 44, 48, 51, 55, 60, 66, 68, 80, 85, 88, 96, 102, 110, 120, 132, 136, 160, 165, 170, 176, 187, 204, 220, 240, 255, 264, 272, 330, 340, 352, 374, 408, 440, 480, 510, 528, 544, 561, 660, 680, 748, 816, 880, 911, 935, 1020, 1056, 1122, 1320, 1360, 1496, 1632, 1760, 1822, 1870, 2040, 2244, 2640, 2720, 2733, 2805, 2992, 3644, 3740, 4080, 4488, 4555, 5280, 5466, 5610, 5984, 7288, 7480, 8160, 8976, 9110, 10021, 10932, 11220, 13665, 14576, 14960, 15487, 17952, 18220, 20042, 21864, 22440, 27330, 29152, 29920, 30063, 30974, 36440, 40084, 43728, 44880, 46461, 50105, 54660, 60126, 61948, 72880, 77435, 80168, 87456, 89760, 92922, 100210, 109320, 120252, 123896, 145760, 150315, 154870, 160336, 170357, 185844, 200420, 218640, 232305, 240504, 247792, 300630, 309740, 320672, 340714, 371688, 400840, 437280, 464610, 481008, 495584, 511071, 601260, 619480, 681428, 743376, 801680, 851785, 929220, 962016, 1022142, 1202520, 1238960, 1362856, 1486752, 1603360, 1703570, 1858440, 2044284, 2405040, 2477920, 2555355, 2725712, 3407140, 3716880, 4088568, 4810080, 5110710, 5451424, 6814280, 7433760, 8177136, 10221420, 13628560, 16354272, 20442840, 27257120, 40885680, 81771360]

約数ペア:

[(1, 81771360), (2, 40885680), (3, 27257120), (4, 20442840), (5, 16354272), (6, 13628560), (8, 10221420), (10, 8177136), (11, 7433760), (12, 6814280), (15, 5451424), (16, 5110710), (17, 4810080), (20, 4088568), (22, 3716880), (24, 3407140), (30, 2725712), (32, 2555355), (33, 2477920), (34, 2405040), (40, 2044284), (44, 1858440), (48, 1703570), (51, 1603360), (55, 1486752), (60, 1362856), (66, 1238960), (68, 1202520), (80, 1022142), (85, 962016), (88, 929220), (96, 851785), (102, 801680), (110, 743376), (120, 681428), (132, 619480), (136, 601260), (160, 511071), (165, 495584), (170, 481008), (176, 464610), (187, 437280), (204, 400840), (220, 371688), (240, 340714), (255, 320672), (264, 309740), (272, 300630), (330, 247792), (340, 240504), (352, 232305), (374, 218640), (408, 200420), (440, 185844), (480, 170357), (510, 160336), (528, 154870), (544, 150315), (561, 145760), (660, 123896), (680, 120252), (748, 109320), (816, 100210), (880, 92922), (911, 89760), (935, 87456), (1020, 80168), (1056, 77435), (1122, 72880), (1320, 61948), (1360, 60126), (1496, 54660), (1632, 50105), (1760, 46461), (1822, 44880), (1870, 43728), (2040, 40084), (2244, 36440), (2640, 30974), (2720, 30063), (2733, 29920), (2805, 29152), (2992, 27330), (3644, 22440), (3740, 21864), (4080, 20042), (4488, 18220), (4555, 17952), (5280, 15487), (5466, 14960), (5610, 14576), (5984, 13665), (7288, 11220), (7480, 10932), (8160, 10021), (8976, 9110)]