261819360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16529}}^1$

素因数の和:16561

約数の個数: 144

約数和(自身を含む): 974741040

約数和(自身を除く): 712921680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2640, 3168, 3960, 5280, 7920, 15840, 16529, 33058, 49587, 66116, 82645, 99174, 132232, 148761, 165290, 181819, 198348, 247935, 264464, 297522, 330580, 363638, 396696, 495870, 528928, 545457, 595044, 661160, 727276, 743805, 793392, 909095, 991740, 1090914, 1190088, 1322320, 1454552, 1487610, 1586784, 1636371, 1818190, 1983480, 2181828, 2380176, 2644640, 2727285, 2909104, 2975220, 3272742, 3636380, 3966960, 4363656, 4760352, 5454570, 5818208, 5950440, 6545484, 7272760, 7933920, 8181855, 8727312, 10909140, 11900880, 13090968, 14545520, 16363710, 17454624, 21818280, 23801760, 26181936, 29091040, 32727420, 43636560, 52363872, 65454840, 87273120, 130909680, 261819360]

約数ペア:

[(1, 261819360), (2, 130909680), (3, 87273120), (4, 65454840), (5, 52363872), (6, 43636560), (8, 32727420), (9, 29091040), (10, 26181936), (11, 23801760), (12, 21818280), (15, 17454624), (16, 16363710), (18, 14545520), (20, 13090968), (22, 11900880), (24, 10909140), (30, 8727312), (32, 8181855), (33, 7933920), (36, 7272760), (40, 6545484), (44, 5950440), (45, 5818208), (48, 5454570), (55, 4760352), (60, 4363656), (66, 3966960), (72, 3636380), (80, 3272742), (88, 2975220), (90, 2909104), (96, 2727285), (99, 2644640), (110, 2380176), (120, 2181828), (132, 1983480), (144, 1818190), (160, 1636371), (165, 1586784), (176, 1487610), (180, 1454552), (198, 1322320), (220, 1190088), (240, 1090914), (264, 991740), (288, 909095), (330, 793392), (352, 743805), (360, 727276), (396, 661160), (440, 595044), (480, 545457), (495, 528928), (528, 495870), (660, 396696), (720, 363638), (792, 330580), (880, 297522), (990, 264464), (1056, 247935), (1320, 198348), (1440, 181819), (1584, 165290), (1760, 148761), (1980, 132232), (2640, 99174), (3168, 82645), (3960, 66116), (5280, 49587), (7920, 33058), (15840, 16529)]