81980184

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23887}}^1$

素因数の和:23920

約数の個数: 64

約数和(自身を含む): 240791040

約数和(自身を除く): 158810856

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 104, 132, 143, 156, 264, 286, 312, 429, 572, 858, 1144, 1716, 3432, 23887, 47774, 71661, 95548, 143322, 191096, 262757, 286644, 310531, 525514, 573288, 621062, 788271, 931593, 1051028, 1242124, 1576542, 1863186, 2102056, 2484248, 3153084, 3415841, 3726372, 6306168, 6831682, 7452744, 10247523, 13663364, 20495046, 27326728, 40990092, 81980184]

約数ペア:

[(1, 81980184), (2, 40990092), (3, 27326728), (4, 20495046), (6, 13663364), (8, 10247523), (11, 7452744), (12, 6831682), (13, 6306168), (22, 3726372), (24, 3415841), (26, 3153084), (33, 2484248), (39, 2102056), (44, 1863186), (52, 1576542), (66, 1242124), (78, 1051028), (88, 931593), (104, 788271), (132, 621062), (143, 573288), (156, 525514), (264, 310531), (286, 286644), (312, 262757), (429, 191096), (572, 143322), (858, 95548), (1144, 71661), (1716, 47774), (3432, 23887)]