156939381765880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{541}}^1\times {\mathrm{1988561}}^1$

素因数の和:1989641

約数の個数: 128

約数和(自身を含む): 405080579007360

約数和(自身を除く): 248141197241480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 521, 541, 1042, 1082, 2084, 2164, 2605, 2705, 3647, 3787, 4168, 4328, 5210, 5410, 7294, 7574, 10420, 10820, 14588, 15148, 18235, 18935, 20840, 21640, 29176, 30296, 36470, 37870, 72940, 75740, 145880, 151480, 281861, 563722, 1127444, 1409305, 1973027, 1988561, 2254888, 2818610, 3946054, 3977122, 5637220, 7892108, 7954244, 9865135, 9942805, 11274440, 13919927, 15784216, 15908488, 19730270, 19885610, 27839854, 39460540, 39771220, 55679708, 69599635, 78921080, 79542440, 111359416, 139199270, 278398540, 556797080, 1036040281, 1075811501, 2072080562, 2151623002, 4144161124, 4303246004, 5180201405, 5379057505, 7252281967, 7530680507, 8288322248, 8606492008, 10360402810, 10758115010, 14504563934, 15061361014, 20720805620, 21516230020, 29009127868, 30122722028, 36261409835, 37653402535, 41441611240, 43032460040, 58018255736, 60245444056, 72522819670, 75306805070, 145045639340, 150613610140, 290091278680, 301227220280, 560497792021, 1120995584042, 2241991168084, 2802488960105, 3923484544147, 4483982336168, 5604977920210, 7846969088294, 11209955840420, 15693938176588, 19617422720735, 22419911680840, 31387876353176, 39234845441470, 78469690882940, 156939381765880]

約数ペア:

[(1, 156939381765880), (2, 78469690882940), (4, 39234845441470), (5, 31387876353176), (7, 22419911680840), (8, 19617422720735), (10, 15693938176588), (14, 11209955840420), (20, 7846969088294), (28, 5604977920210), (35, 4483982336168), (40, 3923484544147), (56, 2802488960105), (70, 2241991168084), (140, 1120995584042), (280, 560497792021), (521, 301227220280), (541, 290091278680), (1042, 150613610140), (1082, 145045639340), (2084, 75306805070), (2164, 72522819670), (2605, 60245444056), (2705, 58018255736), (3647, 43032460040), (3787, 41441611240), (4168, 37653402535), (4328, 36261409835), (5210, 30122722028), (5410, 29009127868), (7294, 21516230020), (7574, 20720805620), (10420, 15061361014), (10820, 14504563934), (14588, 10758115010), (15148, 10360402810), (18235, 8606492008), (18935, 8288322248), (20840, 7530680507), (21640, 7252281967), (29176, 5379057505), (30296, 5180201405), (36470, 4303246004), (37870, 4144161124), (72940, 2151623002), (75740, 2072080562), (145880, 1075811501), (151480, 1036040281), (281861, 556797080), (563722, 278398540), (1127444, 139199270), (1409305, 111359416), (1973027, 79542440), (1988561, 78921080), (2254888, 69599635), (2818610, 55679708), (3946054, 39771220), (3977122, 39460540), (5637220, 27839854), (7892108, 19885610), (7954244, 19730270), (9865135, 15908488), (9942805, 15784216), (11274440, 13919927)]