17760680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{463}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 46103040

約数和(自身を除く): 28342360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 137, 140, 274, 280, 463, 548, 685, 926, 959, 1096, 1370, 1852, 1918, 2315, 2740, 3241, 3704, 3836, 4630, 4795, 5480, 6482, 7672, 9260, 9590, 12964, 16205, 18520, 19180, 25928, 32410, 38360, 63431, 64820, 126862, 129640, 253724, 317155, 444017, 507448, 634310, 888034, 1268620, 1776068, 2220085, 2537240, 3552136, 4440170, 8880340, 17760680]

約数ペア:

[(1, 17760680), (2, 8880340), (4, 4440170), (5, 3552136), (7, 2537240), (8, 2220085), (10, 1776068), (14, 1268620), (20, 888034), (28, 634310), (35, 507448), (40, 444017), (56, 317155), (70, 253724), (137, 129640), (140, 126862), (274, 64820), (280, 63431), (463, 38360), (548, 32410), (685, 25928), (926, 19180), (959, 18520), (1096, 16205), (1370, 12964), (1852, 9590), (1918, 9260), (2315, 7672), (2740, 6482), (3241, 5480), (3704, 4795), (3836, 4630)]