212128020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{337}}^1$

素因数の和:634

約数の個数: 144

約数和(自身を含む): 697591440

約数和(自身を除く): 485463420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 269, 337, 390, 468, 538, 585, 674, 780, 807, 1011, 1076, 1170, 1345, 1348, 1614, 1685, 2022, 2340, 2421, 2690, 3033, 3228, 3370, 3497, 4035, 4044, 4381, 4842, 5055, 5380, 6066, 6740, 6994, 8070, 8762, 9684, 10110, 10491, 12105, 12132, 13143, 13988, 15165, 16140, 17485, 17524, 20220, 20982, 21905, 24210, 26286, 30330, 31473, 34970, 39429, 41964, 43810, 48420, 52455, 52572, 60660, 62946, 65715, 69940, 78858, 87620, 90653, 104910, 125892, 131430, 157365, 157716, 181306, 197145, 209820, 262860, 271959, 314730, 362612, 394290, 453265, 543918, 629460, 788580, 815877, 906530, 1087836, 1178489, 1359795, 1631754, 1813060, 2356978, 2719590, 3263508, 3535467, 4079385, 4713956, 5439180, 5892445, 7070934, 8158770, 10606401, 11784890, 14141868, 16317540, 17677335, 21212802, 23569780, 35354670, 42425604, 53032005, 70709340, 106064010, 212128020]

約数ペア:

[(1, 212128020), (2, 106064010), (3, 70709340), (4, 53032005), (5, 42425604), (6, 35354670), (9, 23569780), (10, 21212802), (12, 17677335), (13, 16317540), (15, 14141868), (18, 11784890), (20, 10606401), (26, 8158770), (30, 7070934), (36, 5892445), (39, 5439180), (45, 4713956), (52, 4079385), (60, 3535467), (65, 3263508), (78, 2719590), (90, 2356978), (117, 1813060), (130, 1631754), (156, 1359795), (180, 1178489), (195, 1087836), (234, 906530), (260, 815877), (269, 788580), (337, 629460), (390, 543918), (468, 453265), (538, 394290), (585, 362612), (674, 314730), (780, 271959), (807, 262860), (1011, 209820), (1076, 197145), (1170, 181306), (1345, 157716), (1348, 157365), (1614, 131430), (1685, 125892), (2022, 104910), (2340, 90653), (2421, 87620), (2690, 78858), (3033, 69940), (3228, 65715), (3370, 62946), (3497, 60660), (4035, 52572), (4044, 52455), (4381, 48420), (4842, 43810), (5055, 41964), (5380, 39429), (6066, 34970), (6740, 31473), (6994, 30330), (8070, 26286), (8762, 24210), (9684, 21905), (10110, 20982), (10491, 20220), (12105, 17524), (12132, 17485), (13143, 16140), (13988, 15165)]