155132560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1019}}^1$

素因数の和:1216

約数の個数: 80

約数和(自身を含む): 396135360

約数和(自身を除く): 241002800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 173, 176, 220, 346, 440, 692, 865, 880, 1019, 1384, 1730, 1903, 2038, 2768, 3460, 3806, 4076, 5095, 6920, 7612, 8152, 9515, 10190, 11209, 13840, 15224, 16304, 19030, 20380, 22418, 30448, 38060, 40760, 44836, 56045, 76120, 81520, 89672, 112090, 152240, 176287, 179344, 224180, 352574, 448360, 705148, 881435, 896720, 1410296, 1762870, 1939157, 2820592, 3525740, 3878314, 7051480, 7756628, 9695785, 14102960, 15513256, 19391570, 31026512, 38783140, 77566280, 155132560]

約数ペア:

[(1, 155132560), (2, 77566280), (4, 38783140), (5, 31026512), (8, 19391570), (10, 15513256), (11, 14102960), (16, 9695785), (20, 7756628), (22, 7051480), (40, 3878314), (44, 3525740), (55, 2820592), (80, 1939157), (88, 1762870), (110, 1410296), (173, 896720), (176, 881435), (220, 705148), (346, 448360), (440, 352574), (692, 224180), (865, 179344), (880, 176287), (1019, 152240), (1384, 112090), (1730, 89672), (1903, 81520), (2038, 76120), (2768, 56045), (3460, 44836), (3806, 40760), (4076, 38060), (5095, 30448), (6920, 22418), (7612, 20380), (8152, 19030), (9515, 16304), (10190, 15224), (11209, 13840)]