81437160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1447}}^1$

素因数の和:1535

約数の個数: 128

約数和(自身を含む): 283576320

約数和(自身を除く): 202139160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 67, 70, 84, 105, 120, 134, 140, 168, 201, 210, 268, 280, 335, 402, 420, 469, 536, 670, 804, 840, 938, 1005, 1340, 1407, 1447, 1608, 1876, 2010, 2345, 2680, 2814, 2894, 3752, 4020, 4341, 4690, 5628, 5788, 7035, 7235, 8040, 8682, 9380, 10129, 11256, 11576, 14070, 14470, 17364, 18760, 20258, 21705, 28140, 28940, 30387, 34728, 40516, 43410, 50645, 56280, 57880, 60774, 81032, 86820, 96949, 101290, 121548, 151935, 173640, 193898, 202580, 243096, 290847, 303870, 387796, 405160, 484745, 581694, 607740, 678643, 775592, 969490, 1163388, 1215480, 1357286, 1454235, 1938980, 2035929, 2326776, 2714572, 2908470, 3393215, 3877960, 4071858, 5429144, 5816940, 6786430, 8143716, 10179645, 11633880, 13572860, 16287432, 20359290, 27145720, 40718580, 81437160]

約数ペア:

[(1, 81437160), (2, 40718580), (3, 27145720), (4, 20359290), (5, 16287432), (6, 13572860), (7, 11633880), (8, 10179645), (10, 8143716), (12, 6786430), (14, 5816940), (15, 5429144), (20, 4071858), (21, 3877960), (24, 3393215), (28, 2908470), (30, 2714572), (35, 2326776), (40, 2035929), (42, 1938980), (56, 1454235), (60, 1357286), (67, 1215480), (70, 1163388), (84, 969490), (105, 775592), (120, 678643), (134, 607740), (140, 581694), (168, 484745), (201, 405160), (210, 387796), (268, 303870), (280, 290847), (335, 243096), (402, 202580), (420, 193898), (469, 173640), (536, 151935), (670, 121548), (804, 101290), (840, 96949), (938, 86820), (1005, 81032), (1340, 60774), (1407, 57880), (1447, 56280), (1608, 50645), (1876, 43410), (2010, 40516), (2345, 34728), (2680, 30387), (2814, 28940), (2894, 28140), (3752, 21705), (4020, 20258), (4341, 18760), (4690, 17364), (5628, 14470), (5788, 14070), (7035, 11576), (7235, 11256), (8040, 10129), (8682, 9380)]