68711720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3187}}^1$

素因数の和:3223

約数の個数: 96

約数和(自身を含む): 196253280

約数和(自身を除く): 127541560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1540, 1960, 2156, 2695, 3080, 3187, 4312, 5390, 6374, 10780, 12748, 15935, 21560, 22309, 25496, 31870, 35057, 44618, 63740, 70114, 89236, 111545, 127480, 140228, 156163, 175285, 178472, 223090, 245399, 280456, 312326, 350570, 446180, 490798, 624652, 701140, 780815, 892360, 981596, 1226995, 1249304, 1402280, 1561630, 1717793, 1963192, 2453990, 3123260, 3435586, 4907980, 6246520, 6871172, 8588965, 9815960, 13742344, 17177930, 34355860, 68711720]

約数ペア:

[(1, 68711720), (2, 34355860), (4, 17177930), (5, 13742344), (7, 9815960), (8, 8588965), (10, 6871172), (11, 6246520), (14, 4907980), (20, 3435586), (22, 3123260), (28, 2453990), (35, 1963192), (40, 1717793), (44, 1561630), (49, 1402280), (55, 1249304), (56, 1226995), (70, 981596), (77, 892360), (88, 780815), (98, 701140), (110, 624652), (140, 490798), (154, 446180), (196, 350570), (220, 312326), (245, 280456), (280, 245399), (308, 223090), (385, 178472), (392, 175285), (440, 156163), (490, 140228), (539, 127480), (616, 111545), (770, 89236), (980, 70114), (1078, 63740), (1540, 44618), (1960, 35057), (2156, 31870), (2695, 25496), (3080, 22309), (3187, 21560), (4312, 15935), (5390, 12748), (6374, 10780)]