81951576

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:333

約数の個数: 128

約数和(自身を含む): 247726080

約数和(自身を除く): 165774504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 84, 92, 127, 138, 161, 167, 168, 184, 254, 276, 322, 334, 381, 483, 501, 508, 552, 644, 668, 762, 889, 966, 1002, 1016, 1169, 1288, 1336, 1524, 1778, 1932, 2004, 2338, 2667, 2921, 3048, 3507, 3556, 3841, 3864, 4008, 4676, 5334, 5842, 7014, 7112, 7682, 8763, 9352, 10668, 11523, 11684, 14028, 15364, 17526, 20447, 21209, 21336, 23046, 23368, 26887, 28056, 30728, 35052, 40894, 42418, 46092, 53774, 61341, 63627, 70104, 80661, 81788, 84836, 92184, 107548, 122682, 127254, 148463, 161322, 163576, 169672, 215096, 245364, 254508, 296926, 322644, 445389, 487807, 490728, 509016, 593852, 645288, 890778, 975614, 1187704, 1463421, 1781556, 1951228, 2926842, 3414649, 3563112, 3902456, 5853684, 6829298, 10243947, 11707368, 13658596, 20487894, 27317192, 40975788, 81951576]

約数ペア:

[(1, 81951576), (2, 40975788), (3, 27317192), (4, 20487894), (6, 13658596), (7, 11707368), (8, 10243947), (12, 6829298), (14, 5853684), (21, 3902456), (23, 3563112), (24, 3414649), (28, 2926842), (42, 1951228), (46, 1781556), (56, 1463421), (69, 1187704), (84, 975614), (92, 890778), (127, 645288), (138, 593852), (161, 509016), (167, 490728), (168, 487807), (184, 445389), (254, 322644), (276, 296926), (322, 254508), (334, 245364), (381, 215096), (483, 169672), (501, 163576), (508, 161322), (552, 148463), (644, 127254), (668, 122682), (762, 107548), (889, 92184), (966, 84836), (1002, 81788), (1016, 80661), (1169, 70104), (1288, 63627), (1336, 61341), (1524, 53774), (1778, 46092), (1932, 42418), (2004, 40894), (2338, 35052), (2667, 30728), (2921, 28056), (3048, 26887), (3507, 23368), (3556, 23046), (3841, 21336), (3864, 21209), (4008, 20447), (4676, 17526), (5334, 15364), (5842, 14028), (7014, 11684), (7112, 11523), (7682, 10668), (8763, 9352)]