161693200

素因数分解:

$2^4\times 5^2\times {\mathrm{547}}^1\times {\mathrm{739}}^1$

素因数の和:1304

約数の個数: 60

約数和(自身を含む): 389704720

約数和(自身を除く): 228011520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 547, 739, 1094, 1478, 2188, 2735, 2956, 3695, 4376, 5470, 5912, 7390, 8752, 10940, 11824, 13675, 14780, 18475, 21880, 27350, 29560, 36950, 43760, 54700, 59120, 73900, 109400, 147800, 218800, 295600, 404233, 808466, 1616932, 2021165, 3233864, 4042330, 6467728, 8084660, 10105825, 16169320, 20211650, 32338640, 40423300, 80846600, 161693200]

約数ペア:

[(1, 161693200), (2, 80846600), (4, 40423300), (5, 32338640), (8, 20211650), (10, 16169320), (16, 10105825), (20, 8084660), (25, 6467728), (40, 4042330), (50, 3233864), (80, 2021165), (100, 1616932), (200, 808466), (400, 404233), (547, 295600), (739, 218800), (1094, 147800), (1478, 109400), (2188, 73900), (2735, 59120), (2956, 54700), (3695, 43760), (4376, 36950), (5470, 29560), (5912, 27350), (7390, 21880), (8752, 18475), (10940, 14780), (11824, 13675)]