81949380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{13523}}^1$

素因数の和:13636

約数の個数: 48

約数和(自身を含む): 231747264

約数和(自身を除く): 149797884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 505, 606, 1010, 1212, 1515, 2020, 3030, 6060, 13523, 27046, 40569, 54092, 67615, 81138, 135230, 162276, 202845, 270460, 405690, 811380, 1365823, 2731646, 4097469, 5463292, 6829115, 8194938, 13658230, 16389876, 20487345, 27316460, 40974690, 81949380]

約数ペア:

[(1, 81949380), (2, 40974690), (3, 27316460), (4, 20487345), (5, 16389876), (6, 13658230), (10, 8194938), (12, 6829115), (15, 5463292), (20, 4097469), (30, 2731646), (60, 1365823), (101, 811380), (202, 405690), (303, 270460), (404, 202845), (505, 162276), (606, 135230), (1010, 81138), (1212, 67615), (1515, 54092), (2020, 40569), (3030, 27046), (6060, 13523)]