81328680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:268

約数の個数: 192

約数和(自身を含む): 284815440

約数和(自身を除く): 203486760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 97, 102, 120, 136, 137, 153, 170, 180, 194, 204, 255, 274, 291, 306, 340, 360, 388, 408, 411, 485, 510, 548, 582, 612, 680, 685, 765, 776, 822, 873, 970, 1020, 1096, 1164, 1224, 1233, 1370, 1455, 1530, 1644, 1649, 1746, 1940, 2040, 2055, 2328, 2329, 2466, 2740, 2910, 3060, 3288, 3298, 3492, 3880, 4110, 4365, 4658, 4932, 4947, 5480, 5820, 6120, 6165, 6596, 6984, 6987, 8220, 8245, 8730, 9316, 9864, 9894, 11640, 11645, 12330, 13192, 13289, 13974, 14841, 16440, 16490, 17460, 18632, 19788, 20961, 23290, 24660, 24735, 26578, 27948, 29682, 32980, 34920, 34935, 39576, 39867, 41922, 46580, 49320, 49470, 53156, 55896, 59364, 65960, 66445, 69870, 74205, 79734, 83844, 93160, 98940, 104805, 106312, 118728, 119601, 132890, 139740, 148410, 159468, 167688, 197880, 199335, 209610, 225913, 239202, 265780, 279480, 296820, 318936, 398670, 419220, 451826, 478404, 531560, 593640, 598005, 677739, 797340, 838440, 903652, 956808, 1129565, 1196010, 1355478, 1594680, 1807304, 2033217, 2259130, 2392020, 2710956, 3388695, 4066434, 4518260, 4784040, 5421912, 6777390, 8132868, 9036520, 10166085, 13554780, 16265736, 20332170, 27109560, 40664340, 81328680]

約数ペア:

[(1, 81328680), (2, 40664340), (3, 27109560), (4, 20332170), (5, 16265736), (6, 13554780), (8, 10166085), (9, 9036520), (10, 8132868), (12, 6777390), (15, 5421912), (17, 4784040), (18, 4518260), (20, 4066434), (24, 3388695), (30, 2710956), (34, 2392020), (36, 2259130), (40, 2033217), (45, 1807304), (51, 1594680), (60, 1355478), (68, 1196010), (72, 1129565), (85, 956808), (90, 903652), (97, 838440), (102, 797340), (120, 677739), (136, 598005), (137, 593640), (153, 531560), (170, 478404), (180, 451826), (194, 419220), (204, 398670), (255, 318936), (274, 296820), (291, 279480), (306, 265780), (340, 239202), (360, 225913), (388, 209610), (408, 199335), (411, 197880), (485, 167688), (510, 159468), (548, 148410), (582, 139740), (612, 132890), (680, 119601), (685, 118728), (765, 106312), (776, 104805), (822, 98940), (873, 93160), (970, 83844), (1020, 79734), (1096, 74205), (1164, 69870), (1224, 66445), (1233, 65960), (1370, 59364), (1455, 55896), (1530, 53156), (1644, 49470), (1649, 49320), (1746, 46580), (1940, 41922), (2040, 39867), (2055, 39576), (2328, 34935), (2329, 34920), (2466, 32980), (2740, 29682), (2910, 27948), (3060, 26578), (3288, 24735), (3298, 24660), (3492, 23290), (3880, 20961), (4110, 19788), (4365, 18632), (4658, 17460), (4932, 16490), (4947, 16440), (5480, 14841), (5820, 13974), (6120, 13289), (6165, 13192), (6596, 12330), (6984, 11645), (6987, 11640), (8220, 9894), (8245, 9864), (8730, 9316)]