56487780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 181621440

約数和(自身を除く): 125133660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 59, 60, 81, 90, 108, 118, 135, 162, 177, 180, 197, 236, 243, 270, 295, 324, 354, 394, 405, 486, 531, 540, 590, 591, 708, 788, 810, 885, 972, 985, 1062, 1180, 1182, 1215, 1593, 1620, 1770, 1773, 1970, 2124, 2364, 2430, 2655, 2955, 3186, 3540, 3546, 3940, 4779, 4860, 5310, 5319, 5910, 6372, 7092, 7965, 8865, 9558, 10620, 10638, 11623, 11820, 14337, 15930, 15957, 17730, 19116, 21276, 23246, 23895, 26595, 28674, 31860, 31914, 34869, 35460, 46492, 47790, 47871, 53190, 57348, 58115, 63828, 69738, 71685, 79785, 95580, 95742, 104607, 106380, 116230, 139476, 143370, 159570, 174345, 191484, 209214, 232460, 239355, 286740, 313821, 319140, 348690, 418428, 478710, 523035, 627642, 697380, 941463, 957420, 1046070, 1255284, 1569105, 1882926, 2092140, 2824389, 3138210, 3765852, 4707315, 5648778, 6276420, 9414630, 11297556, 14121945, 18829260, 28243890, 56487780]

約数ペア:

[(1, 56487780), (2, 28243890), (3, 18829260), (4, 14121945), (5, 11297556), (6, 9414630), (9, 6276420), (10, 5648778), (12, 4707315), (15, 3765852), (18, 3138210), (20, 2824389), (27, 2092140), (30, 1882926), (36, 1569105), (45, 1255284), (54, 1046070), (59, 957420), (60, 941463), (81, 697380), (90, 627642), (108, 523035), (118, 478710), (135, 418428), (162, 348690), (177, 319140), (180, 313821), (197, 286740), (236, 239355), (243, 232460), (270, 209214), (295, 191484), (324, 174345), (354, 159570), (394, 143370), (405, 139476), (486, 116230), (531, 106380), (540, 104607), (590, 95742), (591, 95580), (708, 79785), (788, 71685), (810, 69738), (885, 63828), (972, 58115), (985, 57348), (1062, 53190), (1180, 47871), (1182, 47790), (1215, 46492), (1593, 35460), (1620, 34869), (1770, 31914), (1773, 31860), (1970, 28674), (2124, 26595), (2364, 23895), (2430, 23246), (2655, 21276), (2955, 19116), (3186, 17730), (3540, 15957), (3546, 15930), (3940, 14337), (4779, 11820), (4860, 11623), (5310, 10638), (5319, 10620), (5910, 9558), (6372, 8865), (7092, 7965)]