72982020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71551}}^1$

素因数の和:71580

約数の個数: 48

約数和(自身を含む): 216373248

約数和(自身を除く): 143391228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 71551, 143102, 214653, 286204, 357755, 429306, 715510, 858612, 1073265, 1216367, 1431020, 2146530, 2432734, 3649101, 4293060, 4865468, 6081835, 7298202, 12163670, 14596404, 18245505, 24327340, 36491010, 72982020]

約数ペア:

[(1, 72982020), (2, 36491010), (3, 24327340), (4, 18245505), (5, 14596404), (6, 12163670), (10, 7298202), (12, 6081835), (15, 4865468), (17, 4293060), (20, 3649101), (30, 2432734), (34, 2146530), (51, 1431020), (60, 1216367), (68, 1073265), (85, 858612), (102, 715510), (170, 429306), (204, 357755), (255, 286204), (340, 214653), (510, 143102), (1020, 71551)]