686068020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2207}}^1$

素因数の和:2390

約数の個数: 144

約数和(自身を含む): 2285756928

約数和(自身を除く): 1599688908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 157, 165, 180, 198, 220, 314, 330, 396, 471, 495, 628, 660, 785, 942, 990, 1413, 1570, 1727, 1884, 1980, 2207, 2355, 2826, 3140, 3454, 4414, 4710, 5181, 5652, 6621, 6908, 7065, 8635, 8828, 9420, 10362, 11035, 13242, 14130, 15543, 17270, 19863, 20724, 22070, 24277, 25905, 26484, 28260, 31086, 33105, 34540, 39726, 44140, 48554, 51810, 62172, 66210, 72831, 77715, 79452, 97108, 99315, 103620, 121385, 132420, 145662, 155430, 198630, 218493, 242770, 291324, 310860, 346499, 364155, 397260, 436986, 485540, 692998, 728310, 873972, 1039497, 1092465, 1385996, 1456620, 1732495, 2078994, 2184930, 3118491, 3464990, 3811489, 4157988, 4369860, 5197485, 6236982, 6929980, 7622978, 10394970, 11434467, 12473964, 15245956, 15592455, 19057445, 20789940, 22868934, 31184910, 34303401, 38114890, 45737868, 57172335, 62369820, 68606802, 76229780, 114344670, 137213604, 171517005, 228689340, 343034010, 686068020]

約数ペア:

[(1, 686068020), (2, 343034010), (3, 228689340), (4, 171517005), (5, 137213604), (6, 114344670), (9, 76229780), (10, 68606802), (11, 62369820), (12, 57172335), (15, 45737868), (18, 38114890), (20, 34303401), (22, 31184910), (30, 22868934), (33, 20789940), (36, 19057445), (44, 15592455), (45, 15245956), (55, 12473964), (60, 11434467), (66, 10394970), (90, 7622978), (99, 6929980), (110, 6236982), (132, 5197485), (157, 4369860), (165, 4157988), (180, 3811489), (198, 3464990), (220, 3118491), (314, 2184930), (330, 2078994), (396, 1732495), (471, 1456620), (495, 1385996), (628, 1092465), (660, 1039497), (785, 873972), (942, 728310), (990, 692998), (1413, 485540), (1570, 436986), (1727, 397260), (1884, 364155), (1980, 346499), (2207, 310860), (2355, 291324), (2826, 242770), (3140, 218493), (3454, 198630), (4414, 155430), (4710, 145662), (5181, 132420), (5652, 121385), (6621, 103620), (6908, 99315), (7065, 97108), (8635, 79452), (8828, 77715), (9420, 72831), (10362, 66210), (11035, 62172), (13242, 51810), (14130, 48554), (15543, 44140), (17270, 39726), (19863, 34540), (20724, 33105), (22070, 31086), (24277, 28260), (25905, 26484)]