19680750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{8747}}^1$

素因数の和:8770

約数の個数: 48

約数和(自身を含む): 53222832

約数和(自身を除く): 33542082

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 125, 150, 225, 250, 375, 450, 750, 1125, 2250, 8747, 17494, 26241, 43735, 52482, 78723, 87470, 131205, 157446, 218675, 262410, 393615, 437350, 656025, 787230, 1093375, 1312050, 1968075, 2186750, 3280125, 3936150, 6560250, 9840375, 19680750]

約数ペア:

[(1, 19680750), (2, 9840375), (3, 6560250), (5, 3936150), (6, 3280125), (9, 2186750), (10, 1968075), (15, 1312050), (18, 1093375), (25, 787230), (30, 656025), (45, 437350), (50, 393615), (75, 262410), (90, 218675), (125, 157446), (150, 131205), (225, 87470), (250, 78723), (375, 52482), (450, 43735), (750, 26241), (1125, 17494), (2250, 8747)]