81684372

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 246601152

約数和(自身を除く): 164916780

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 73, 77, 84, 98, 132, 146, 147, 154, 173, 196, 219, 231, 292, 294, 308, 346, 438, 462, 511, 519, 539, 588, 692, 803, 876, 924, 1022, 1038, 1078, 1211, 1533, 1606, 1617, 1903, 2044, 2076, 2156, 2409, 2422, 3066, 3212, 3234, 3577, 3633, 3806, 4818, 4844, 5621, 5709, 6132, 6468, 7154, 7266, 7612, 8477, 9636, 10731, 11242, 11418, 12629, 13321, 14308, 14532, 16863, 16954, 21462, 22484, 22836, 25258, 25431, 26642, 33726, 33908, 37887, 39347, 39963, 42924, 50516, 50862, 53284, 67452, 75774, 78694, 79926, 88403, 93247, 101724, 118041, 138919, 151548, 157388, 159852, 176806, 186494, 236082, 265209, 277838, 279741, 353612, 372988, 416757, 472164, 530418, 555676, 559482, 618821, 833514, 972433, 1060836, 1118964, 1237642, 1667028, 1856463, 1944866, 2475284, 2917299, 3712926, 3889732, 5834598, 6807031, 7425852, 11669196, 13614062, 20421093, 27228124, 40842186, 81684372]

約数ペア:

[(1, 81684372), (2, 40842186), (3, 27228124), (4, 20421093), (6, 13614062), (7, 11669196), (11, 7425852), (12, 6807031), (14, 5834598), (21, 3889732), (22, 3712926), (28, 2917299), (33, 2475284), (42, 1944866), (44, 1856463), (49, 1667028), (66, 1237642), (73, 1118964), (77, 1060836), (84, 972433), (98, 833514), (132, 618821), (146, 559482), (147, 555676), (154, 530418), (173, 472164), (196, 416757), (219, 372988), (231, 353612), (292, 279741), (294, 277838), (308, 265209), (346, 236082), (438, 186494), (462, 176806), (511, 159852), (519, 157388), (539, 151548), (588, 138919), (692, 118041), (803, 101724), (876, 93247), (924, 88403), (1022, 79926), (1038, 78694), (1078, 75774), (1211, 67452), (1533, 53284), (1606, 50862), (1617, 50516), (1903, 42924), (2044, 39963), (2076, 39347), (2156, 37887), (2409, 33908), (2422, 33726), (3066, 26642), (3212, 25431), (3234, 25258), (3577, 22836), (3633, 22484), (3806, 21462), (4818, 16954), (4844, 16863), (5621, 14532), (5709, 14308), (6132, 13321), (6468, 12629), (7154, 11418), (7266, 11242), (7612, 10731), (8477, 9636)]