15182020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6379}}^1$

素因数の和:6412

約数の個数: 48

約数和(自身を含む): 38586240

約数和(自身を除く): 23404220

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 6379, 12758, 25516, 31895, 44653, 63790, 89306, 108443, 127580, 178612, 216886, 223265, 433772, 446530, 542215, 759101, 893060, 1084430, 1518202, 2168860, 3036404, 3795505, 7591010, 15182020]

約数ペア:

[(1, 15182020), (2, 7591010), (4, 3795505), (5, 3036404), (7, 2168860), (10, 1518202), (14, 1084430), (17, 893060), (20, 759101), (28, 542215), (34, 446530), (35, 433772), (68, 223265), (70, 216886), (85, 178612), (119, 127580), (140, 108443), (170, 89306), (238, 63790), (340, 44653), (476, 31895), (595, 25516), (1190, 12758), (2380, 6379)]