81434772960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{20809}}^1$

素因数の和:21121

約数の個数: 192

約数和(自身を含む): 265813954560

約数和(自身を除く): 184379181600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 263, 310, 372, 465, 480, 496, 526, 620, 744, 789, 930, 992, 1052, 1240, 1315, 1488, 1578, 1860, 2104, 2480, 2630, 2976, 3156, 3720, 3945, 4208, 4960, 5260, 6312, 7440, 7890, 8153, 8416, 10520, 12624, 14880, 15780, 16306, 20809, 21040, 24459, 25248, 31560, 32612, 40765, 41618, 42080, 48918, 62427, 63120, 65224, 81530, 83236, 97836, 104045, 122295, 124854, 126240, 130448, 163060, 166472, 195672, 208090, 244590, 249708, 260896, 312135, 326120, 332944, 391344, 416180, 489180, 499416, 624270, 645079, 652240, 665888, 782688, 832360, 978360, 998832, 1248540, 1290158, 1304480, 1664720, 1935237, 1956720, 1997664, 2497080, 2580316, 3225395, 3329440, 3870474, 3913440, 4994160, 5160632, 5472767, 6450790, 7740948, 9676185, 9988320, 10321264, 10945534, 12901580, 15481896, 16418301, 19352370, 20642528, 21891068, 25803160, 27363835, 30963792, 32836602, 38704740, 43782136, 51606320, 54727670, 61927584, 65673204, 77409480, 82091505, 87564272, 103212640, 109455340, 131346408, 154818960, 164183010, 169655777, 175128544, 218910680, 262692816, 309637920, 328366020, 339311554, 437821360, 508967331, 525385632, 656732040, 678623108, 848278885, 875642720, 1017934662, 1313464080, 1357246216, 1696557770, 2035869324, 2544836655, 2626928160, 2714492432, 3393115540, 4071738648, 5089673310, 5428984864, 6786231080, 8143477296, 10179346620, 13572462160, 16286954592, 20358693240, 27144924320, 40717386480, 81434772960]

約数ペア:

[(1, 81434772960), (2, 40717386480), (3, 27144924320), (4, 20358693240), (5, 16286954592), (6, 13572462160), (8, 10179346620), (10, 8143477296), (12, 6786231080), (15, 5428984864), (16, 5089673310), (20, 4071738648), (24, 3393115540), (30, 2714492432), (31, 2626928160), (32, 2544836655), (40, 2035869324), (48, 1696557770), (60, 1357246216), (62, 1313464080), (80, 1017934662), (93, 875642720), (96, 848278885), (120, 678623108), (124, 656732040), (155, 525385632), (160, 508967331), (186, 437821360), (240, 339311554), (248, 328366020), (263, 309637920), (310, 262692816), (372, 218910680), (465, 175128544), (480, 169655777), (496, 164183010), (526, 154818960), (620, 131346408), (744, 109455340), (789, 103212640), (930, 87564272), (992, 82091505), (1052, 77409480), (1240, 65673204), (1315, 61927584), (1488, 54727670), (1578, 51606320), (1860, 43782136), (2104, 38704740), (2480, 32836602), (2630, 30963792), (2976, 27363835), (3156, 25803160), (3720, 21891068), (3945, 20642528), (4208, 19352370), (4960, 16418301), (5260, 15481896), (6312, 12901580), (7440, 10945534), (7890, 10321264), (8153, 9988320), (8416, 9676185), (10520, 7740948), (12624, 6450790), (14880, 5472767), (15780, 5160632), (16306, 4994160), (20809, 3913440), (21040, 3870474), (24459, 3329440), (25248, 3225395), (31560, 2580316), (32612, 2497080), (40765, 1997664), (41618, 1956720), (42080, 1935237), (48918, 1664720), (62427, 1304480), (63120, 1290158), (65224, 1248540), (81530, 998832), (83236, 978360), (97836, 832360), (104045, 782688), (122295, 665888), (124854, 652240), (126240, 645079), (130448, 624270), (163060, 499416), (166472, 489180), (195672, 416180), (208090, 391344), (244590, 332944), (249708, 326120), (260896, 312135)]