81946680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1783}}^1$

素因数の和:2180

約数の個数: 64

約数和(自身を含む): 246620160

約数和(自身を除く): 164673480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 383, 766, 1149, 1532, 1783, 1915, 2298, 3064, 3566, 3830, 4596, 5349, 5745, 7132, 7660, 8915, 9192, 10698, 11490, 14264, 15320, 17830, 21396, 22980, 26745, 35660, 42792, 45960, 53490, 71320, 106980, 213960, 682889, 1365778, 2048667, 2731556, 3414445, 4097334, 5463112, 6828890, 8194668, 10243335, 13657780, 16389336, 20486670, 27315560, 40973340, 81946680]

約数ペア:

[(1, 81946680), (2, 40973340), (3, 27315560), (4, 20486670), (5, 16389336), (6, 13657780), (8, 10243335), (10, 8194668), (12, 6828890), (15, 5463112), (20, 4097334), (24, 3414445), (30, 2731556), (40, 2048667), (60, 1365778), (120, 682889), (383, 213960), (766, 106980), (1149, 71320), (1532, 53490), (1783, 45960), (1915, 42792), (2298, 35660), (3064, 26745), (3566, 22980), (3830, 21396), (4596, 17830), (5349, 15320), (5745, 14264), (7132, 11490), (7660, 10698), (8915, 9192)]