128934001840

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{4698761}}^1$

素因数の和:4698795

約数の個数: 80

約数和(自身を含む): 349587892800

約数和(自身を除く): 220653890960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1960, 2744, 3430, 3920, 5488, 6860, 13720, 27440, 4698761, 9397522, 18795044, 23493805, 32891327, 37590088, 46987610, 65782654, 75180176, 93975220, 131565308, 164456635, 187950440, 230239289, 263130616, 328913270, 375900880, 460478578, 526261232, 657826540, 920957156, 1151196445, 1315653080, 1611675023, 1841914312, 2302392890, 2631306160, 3223350046, 3683828624, 4604785780, 6446700092, 8058375115, 9209571560, 12893400184, 16116750230, 18419143120, 25786800368, 32233500460, 64467000920, 128934001840]

約数ペア:

[(1, 128934001840), (2, 64467000920), (4, 32233500460), (5, 25786800368), (7, 18419143120), (8, 16116750230), (10, 12893400184), (14, 9209571560), (16, 8058375115), (20, 6446700092), (28, 4604785780), (35, 3683828624), (40, 3223350046), (49, 2631306160), (56, 2302392890), (70, 1841914312), (80, 1611675023), (98, 1315653080), (112, 1151196445), (140, 920957156), (196, 657826540), (245, 526261232), (280, 460478578), (343, 375900880), (392, 328913270), (490, 263130616), (560, 230239289), (686, 187950440), (784, 164456635), (980, 131565308), (1372, 93975220), (1715, 75180176), (1960, 65782654), (2744, 46987610), (3430, 37590088), (3920, 32891327), (5488, 23493805), (6860, 18795044), (13720, 9397522), (27440, 4698761)]