81463360

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23143}}^1$

素因数の和:23171

約数の個数: 56

約数和(自身を含む): 211628736

約数和(自身を除く): 130165376

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 23143, 46286, 92572, 115715, 185144, 231430, 254573, 370288, 462860, 509146, 740576, 925720, 1018292, 1272865, 1481152, 1851440, 2036584, 2545730, 3702880, 4073168, 5091460, 7405760, 8146336, 10182920, 16292672, 20365840, 40731680, 81463360]

約数ペア:

[(1, 81463360), (2, 40731680), (4, 20365840), (5, 16292672), (8, 10182920), (10, 8146336), (11, 7405760), (16, 5091460), (20, 4073168), (22, 3702880), (32, 2545730), (40, 2036584), (44, 1851440), (55, 1481152), (64, 1272865), (80, 1018292), (88, 925720), (110, 740576), (160, 509146), (176, 462860), (220, 370288), (320, 254573), (352, 231430), (440, 185144), (704, 115715), (880, 92572), (1760, 46286), (3520, 23143)]