16563720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1423}}^1$

素因数の和:1534

約数の個数: 64

約数和(自身を含む): 50238720

約数和(自身を除く): 33675000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1423, 1455, 1940, 2328, 2846, 2910, 3880, 4269, 5692, 5820, 7115, 8538, 11384, 11640, 14230, 17076, 21345, 28460, 34152, 42690, 56920, 85380, 138031, 170760, 276062, 414093, 552124, 690155, 828186, 1104248, 1380310, 1656372, 2070465, 2760620, 3312744, 4140930, 5521240, 8281860, 16563720]

約数ペア:

[(1, 16563720), (2, 8281860), (3, 5521240), (4, 4140930), (5, 3312744), (6, 2760620), (8, 2070465), (10, 1656372), (12, 1380310), (15, 1104248), (20, 828186), (24, 690155), (30, 552124), (40, 414093), (60, 276062), (97, 170760), (120, 138031), (194, 85380), (291, 56920), (388, 42690), (485, 34152), (582, 28460), (776, 21345), (970, 17076), (1164, 14230), (1423, 11640), (1455, 11384), (1940, 8538), (2328, 7115), (2846, 5820), (2910, 5692), (3880, 4269)]