90218730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:260

約数の個数: 128

約数和(自身を含む): 258306048

約数和(自身を除く): 168087318

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 86, 97, 103, 105, 129, 194, 206, 210, 215, 258, 291, 301, 309, 430, 485, 515, 582, 602, 618, 645, 679, 721, 903, 970, 1030, 1290, 1358, 1442, 1455, 1505, 1545, 1806, 2037, 2163, 2910, 3010, 3090, 3395, 3605, 4074, 4171, 4326, 4429, 4515, 6790, 7210, 8342, 8858, 9030, 9991, 10185, 10815, 12513, 13287, 19982, 20370, 20855, 21630, 22145, 25026, 26574, 29197, 29973, 31003, 41710, 44290, 49955, 58394, 59946, 62006, 62565, 66435, 69937, 87591, 93009, 99910, 125130, 132870, 139874, 145985, 149865, 155015, 175182, 186018, 209811, 291970, 299730, 310030, 349685, 419622, 429613, 437955, 465045, 699370, 859226, 875910, 930090, 1049055, 1288839, 2098110, 2148065, 2577678, 3007291, 4296130, 6014582, 6444195, 9021873, 12888390, 15036455, 18043746, 30072910, 45109365, 90218730]

約数ペア:

[(1, 90218730), (2, 45109365), (3, 30072910), (5, 18043746), (6, 15036455), (7, 12888390), (10, 9021873), (14, 6444195), (15, 6014582), (21, 4296130), (30, 3007291), (35, 2577678), (42, 2148065), (43, 2098110), (70, 1288839), (86, 1049055), (97, 930090), (103, 875910), (105, 859226), (129, 699370), (194, 465045), (206, 437955), (210, 429613), (215, 419622), (258, 349685), (291, 310030), (301, 299730), (309, 291970), (430, 209811), (485, 186018), (515, 175182), (582, 155015), (602, 149865), (618, 145985), (645, 139874), (679, 132870), (721, 125130), (903, 99910), (970, 93009), (1030, 87591), (1290, 69937), (1358, 66435), (1442, 62565), (1455, 62006), (1505, 59946), (1545, 58394), (1806, 49955), (2037, 44290), (2163, 41710), (2910, 31003), (3010, 29973), (3090, 29197), (3395, 26574), (3605, 25026), (4074, 22145), (4171, 21630), (4326, 20855), (4429, 20370), (4515, 19982), (6790, 13287), (7210, 12513), (8342, 10815), (8858, 10185), (9030, 9991)]