161272720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{41141}}^1$

素因数の和:41168

約数の個数: 60

約数和(自身を含む): 436187484

約数和(自身を除く): 274914764

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 41141, 82282, 164564, 205705, 287987, 329128, 411410, 575974, 658256, 822820, 1151948, 1439935, 1645640, 2015909, 2303896, 2879870, 3291280, 4031818, 4607792, 5759740, 8063636, 10079545, 11519480, 16127272, 20159090, 23038960, 32254544, 40318180, 80636360, 161272720]

約数ペア:

[(1, 161272720), (2, 80636360), (4, 40318180), (5, 32254544), (7, 23038960), (8, 20159090), (10, 16127272), (14, 11519480), (16, 10079545), (20, 8063636), (28, 5759740), (35, 4607792), (40, 4031818), (49, 3291280), (56, 2879870), (70, 2303896), (80, 2015909), (98, 1645640), (112, 1439935), (140, 1151948), (196, 822820), (245, 658256), (280, 575974), (392, 411410), (490, 329128), (560, 287987), (784, 205705), (980, 164564), (1960, 82282), (3920, 41141)]