81009012

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 237662208

約数和(自身を除く): 156653196

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 47, 51, 68, 71, 84, 94, 102, 119, 141, 142, 188, 204, 213, 238, 282, 284, 289, 329, 357, 426, 476, 497, 564, 578, 658, 714, 799, 852, 867, 987, 994, 1156, 1207, 1316, 1428, 1491, 1598, 1734, 1974, 1988, 2023, 2397, 2414, 2982, 3196, 3337, 3468, 3621, 3948, 4046, 4794, 4828, 5593, 5964, 6069, 6674, 7242, 8092, 8449, 9588, 10011, 11186, 12138, 13348, 13583, 14484, 16779, 16898, 20022, 20519, 22372, 23359, 24276, 25347, 27166, 33558, 33796, 40044, 40749, 41038, 46718, 50694, 54332, 56729, 61557, 67116, 70077, 81498, 82076, 93436, 95081, 101388, 113458, 123114, 140154, 143633, 162996, 170187, 190162, 226916, 246228, 280308, 285243, 287266, 340374, 380324, 397103, 430899, 570486, 574532, 680748, 794206, 861798, 964393, 1140972, 1191309, 1588412, 1723596, 1928786, 2382618, 2893179, 3857572, 4765236, 5786358, 6750751, 11572716, 13501502, 20252253, 27003004, 40504506, 81009012]

約数ペア:

[(1, 81009012), (2, 40504506), (3, 27003004), (4, 20252253), (6, 13501502), (7, 11572716), (12, 6750751), (14, 5786358), (17, 4765236), (21, 3857572), (28, 2893179), (34, 2382618), (42, 1928786), (47, 1723596), (51, 1588412), (68, 1191309), (71, 1140972), (84, 964393), (94, 861798), (102, 794206), (119, 680748), (141, 574532), (142, 570486), (188, 430899), (204, 397103), (213, 380324), (238, 340374), (282, 287266), (284, 285243), (289, 280308), (329, 246228), (357, 226916), (426, 190162), (476, 170187), (497, 162996), (564, 143633), (578, 140154), (658, 123114), (714, 113458), (799, 101388), (852, 95081), (867, 93436), (987, 82076), (994, 81498), (1156, 70077), (1207, 67116), (1316, 61557), (1428, 56729), (1491, 54332), (1598, 50694), (1734, 46718), (1974, 41038), (1988, 40749), (2023, 40044), (2397, 33796), (2414, 33558), (2982, 27166), (3196, 25347), (3337, 24276), (3468, 23359), (3621, 22372), (3948, 20519), (4046, 20022), (4794, 16898), (4828, 16779), (5593, 14484), (5964, 13583), (6069, 13348), (6674, 12138), (7242, 11186), (8092, 10011), (8449, 9588)]