281457990

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1019}}^1$

素因数の和:1080

約数の個数: 160

約数和(自身を含む): 853079040

約数和(自身を除く): 571621050

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 31, 33, 45, 54, 55, 62, 66, 81, 90, 93, 99, 110, 135, 155, 162, 165, 186, 198, 270, 279, 297, 310, 330, 341, 405, 465, 495, 558, 594, 682, 810, 837, 891, 930, 990, 1019, 1023, 1395, 1485, 1674, 1705, 1782, 2038, 2046, 2511, 2790, 2970, 3057, 3069, 3410, 4185, 4455, 5022, 5095, 5115, 6114, 6138, 8370, 8910, 9171, 9207, 10190, 10230, 11209, 12555, 15285, 15345, 18342, 18414, 22418, 25110, 27513, 27621, 30570, 30690, 31589, 33627, 45855, 46035, 55026, 55242, 56045, 63178, 67254, 82539, 91710, 92070, 94767, 100881, 112090, 137565, 138105, 157945, 165078, 168135, 189534, 201762, 275130, 276210, 284301, 302643, 315890, 336270, 347479, 412695, 473835, 504405, 568602, 605286, 694958, 825390, 852903, 907929, 947670, 1008810, 1042437, 1421505, 1513215, 1705806, 1737395, 1815858, 2084874, 2558709, 2843010, 3026430, 3127311, 3474790, 4264515, 4539645, 5117418, 5212185, 6254622, 8529030, 9079290, 9381933, 10424370, 12793545, 15636555, 18763866, 25587090, 28145799, 31273110, 46909665, 56291598, 93819330, 140728995, 281457990]

約数ペア:

[(1, 281457990), (2, 140728995), (3, 93819330), (5, 56291598), (6, 46909665), (9, 31273110), (10, 28145799), (11, 25587090), (15, 18763866), (18, 15636555), (22, 12793545), (27, 10424370), (30, 9381933), (31, 9079290), (33, 8529030), (45, 6254622), (54, 5212185), (55, 5117418), (62, 4539645), (66, 4264515), (81, 3474790), (90, 3127311), (93, 3026430), (99, 2843010), (110, 2558709), (135, 2084874), (155, 1815858), (162, 1737395), (165, 1705806), (186, 1513215), (198, 1421505), (270, 1042437), (279, 1008810), (297, 947670), (310, 907929), (330, 852903), (341, 825390), (405, 694958), (465, 605286), (495, 568602), (558, 504405), (594, 473835), (682, 412695), (810, 347479), (837, 336270), (891, 315890), (930, 302643), (990, 284301), (1019, 276210), (1023, 275130), (1395, 201762), (1485, 189534), (1674, 168135), (1705, 165078), (1782, 157945), (2038, 138105), (2046, 137565), (2511, 112090), (2790, 100881), (2970, 94767), (3057, 92070), (3069, 91710), (3410, 82539), (4185, 67254), (4455, 63178), (5022, 56045), (5095, 55242), (5115, 55026), (6114, 46035), (6138, 45855), (8370, 33627), (8910, 31589), (9171, 30690), (9207, 30570), (10190, 27621), (10230, 27513), (11209, 25110), (12555, 22418), (15285, 18414), (15345, 18342)]