81648630

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:199

約数の個数: 192

約数和(自身を含む): 259459200

約数和(自身を除く): 177810570

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 29, 30, 35, 41, 42, 45, 58, 63, 70, 82, 87, 90, 105, 109, 123, 126, 145, 174, 203, 205, 210, 218, 246, 261, 287, 290, 315, 327, 369, 406, 410, 435, 522, 545, 574, 609, 615, 630, 654, 738, 763, 861, 870, 981, 1015, 1090, 1189, 1218, 1230, 1305, 1435, 1526, 1635, 1722, 1827, 1845, 1962, 2030, 2289, 2378, 2583, 2610, 2870, 3045, 3161, 3270, 3567, 3654, 3690, 3815, 4305, 4469, 4578, 4905, 5166, 5945, 6090, 6322, 6867, 7134, 7630, 8323, 8610, 8938, 9135, 9483, 9810, 10701, 11445, 11890, 12915, 13407, 13734, 15805, 16646, 17835, 18270, 18966, 21402, 22127, 22345, 22890, 24969, 25830, 26814, 28449, 31283, 31610, 34335, 35670, 40221, 41615, 44254, 44690, 47415, 49938, 53505, 56898, 62566, 66381, 67035, 68670, 74907, 80442, 83230, 93849, 94830, 107010, 110635, 124845, 129601, 132762, 134070, 142245, 149814, 156415, 187698, 199143, 201105, 221270, 249690, 259202, 281547, 284490, 312830, 331905, 374535, 388803, 398286, 402210, 469245, 563094, 648005, 663810, 749070, 777606, 907207, 938490, 995715, 1166409, 1296010, 1407735, 1814414, 1944015, 1991430, 2332818, 2721621, 2815470, 3888030, 4536035, 5443242, 5832045, 8164863, 9072070, 11664090, 13608105, 16329726, 27216210, 40824315, 81648630]

約数ペア:

[(1, 81648630), (2, 40824315), (3, 27216210), (5, 16329726), (6, 13608105), (7, 11664090), (9, 9072070), (10, 8164863), (14, 5832045), (15, 5443242), (18, 4536035), (21, 3888030), (29, 2815470), (30, 2721621), (35, 2332818), (41, 1991430), (42, 1944015), (45, 1814414), (58, 1407735), (63, 1296010), (70, 1166409), (82, 995715), (87, 938490), (90, 907207), (105, 777606), (109, 749070), (123, 663810), (126, 648005), (145, 563094), (174, 469245), (203, 402210), (205, 398286), (210, 388803), (218, 374535), (246, 331905), (261, 312830), (287, 284490), (290, 281547), (315, 259202), (327, 249690), (369, 221270), (406, 201105), (410, 199143), (435, 187698), (522, 156415), (545, 149814), (574, 142245), (609, 134070), (615, 132762), (630, 129601), (654, 124845), (738, 110635), (763, 107010), (861, 94830), (870, 93849), (981, 83230), (1015, 80442), (1090, 74907), (1189, 68670), (1218, 67035), (1230, 66381), (1305, 62566), (1435, 56898), (1526, 53505), (1635, 49938), (1722, 47415), (1827, 44690), (1845, 44254), (1962, 41615), (2030, 40221), (2289, 35670), (2378, 34335), (2583, 31610), (2610, 31283), (2870, 28449), (3045, 26814), (3161, 25830), (3270, 24969), (3567, 22890), (3654, 22345), (3690, 22127), (3815, 21402), (4305, 18966), (4469, 18270), (4578, 17835), (4905, 16646), (5166, 15805), (5945, 13734), (6090, 13407), (6322, 12915), (6867, 11890), (7134, 11445), (7630, 10701), (8323, 9810), (8610, 9483), (8938, 9135)]