2430320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1787}}^1$

素因数の和:1817

約数の個数: 40

約数和(自身を含む): 5986224

約数和(自身を除く): 3555904

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1787, 3574, 7148, 8935, 14296, 17870, 28592, 30379, 35740, 60758, 71480, 121516, 142960, 151895, 243032, 303790, 486064, 607580, 1215160, 2430320]

約数ペア:

[(1, 2430320), (2, 1215160), (4, 607580), (5, 486064), (8, 303790), (10, 243032), (16, 151895), (17, 142960), (20, 121516), (34, 71480), (40, 60758), (68, 35740), (80, 30379), (85, 28592), (136, 17870), (170, 14296), (272, 8935), (340, 7148), (680, 3574), (1360, 1787)]