278308080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:424

約数の個数: 240

約数和(自身を含む): 993817344

約数和(自身を除く): 715509264

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 37, 40, 45, 48, 60, 62, 72, 74, 80, 90, 93, 111, 120, 124, 144, 148, 155, 180, 185, 186, 222, 240, 248, 279, 296, 310, 333, 337, 360, 370, 372, 444, 465, 496, 555, 558, 592, 620, 666, 674, 720, 740, 744, 888, 930, 1011, 1110, 1116, 1147, 1240, 1332, 1348, 1395, 1480, 1488, 1665, 1685, 1776, 1860, 2022, 2220, 2232, 2294, 2480, 2664, 2696, 2790, 2960, 3033, 3330, 3370, 3441, 3720, 4044, 4440, 4464, 4588, 5055, 5328, 5392, 5580, 5735, 6066, 6660, 6740, 6882, 7440, 8088, 8880, 9176, 10110, 10323, 10447, 11160, 11470, 12132, 12469, 13320, 13480, 13764, 15165, 16176, 17205, 18352, 20220, 20646, 20894, 22320, 22940, 24264, 24938, 26640, 26960, 27528, 30330, 31341, 34410, 37407, 40440, 41292, 41788, 45880, 48528, 49876, 51615, 52235, 55056, 60660, 62345, 62682, 68820, 74814, 80880, 82584, 83576, 91760, 94023, 99752, 103230, 104470, 112221, 121320, 124690, 125364, 137640, 149628, 156705, 165168, 167152, 187035, 188046, 199504, 206460, 208940, 224442, 242640, 249380, 250728, 275280, 299256, 313410, 374070, 376092, 386539, 412920, 417880, 448884, 470115, 498760, 501456, 561105, 598512, 626820, 748140, 752184, 773078, 825840, 835760, 897768, 940230, 997520, 1122210, 1159617, 1253640, 1496280, 1504368, 1546156, 1795536, 1880460, 1932695, 2244420, 2319234, 2507280, 2992560, 3092312, 3478851, 3760920, 3865390, 4488840, 4638468, 5798085, 6184624, 6957702, 7521840, 7730780, 8977680, 9276936, 11596170, 13915404, 15461560, 17394255, 18553872, 23192340, 27830808, 30923120, 34788510, 46384680, 55661616, 69577020, 92769360, 139154040, 278308080]

約数ペア:

[(1, 278308080), (2, 139154040), (3, 92769360), (4, 69577020), (5, 55661616), (6, 46384680), (8, 34788510), (9, 30923120), (10, 27830808), (12, 23192340), (15, 18553872), (16, 17394255), (18, 15461560), (20, 13915404), (24, 11596170), (30, 9276936), (31, 8977680), (36, 7730780), (37, 7521840), (40, 6957702), (45, 6184624), (48, 5798085), (60, 4638468), (62, 4488840), (72, 3865390), (74, 3760920), (80, 3478851), (90, 3092312), (93, 2992560), (111, 2507280), (120, 2319234), (124, 2244420), (144, 1932695), (148, 1880460), (155, 1795536), (180, 1546156), (185, 1504368), (186, 1496280), (222, 1253640), (240, 1159617), (248, 1122210), (279, 997520), (296, 940230), (310, 897768), (333, 835760), (337, 825840), (360, 773078), (370, 752184), (372, 748140), (444, 626820), (465, 598512), (496, 561105), (555, 501456), (558, 498760), (592, 470115), (620, 448884), (666, 417880), (674, 412920), (720, 386539), (740, 376092), (744, 374070), (888, 313410), (930, 299256), (1011, 275280), (1110, 250728), (1116, 249380), (1147, 242640), (1240, 224442), (1332, 208940), (1348, 206460), (1395, 199504), (1480, 188046), (1488, 187035), (1665, 167152), (1685, 165168), (1776, 156705), (1860, 149628), (2022, 137640), (2220, 125364), (2232, 124690), (2294, 121320), (2480, 112221), (2664, 104470), (2696, 103230), (2790, 99752), (2960, 94023), (3033, 91760), (3330, 83576), (3370, 82584), (3441, 80880), (3720, 74814), (4044, 68820), (4440, 62682), (4464, 62345), (4588, 60660), (5055, 55056), (5328, 52235), (5392, 51615), (5580, 49876), (5735, 48528), (6066, 45880), (6660, 41788), (6740, 41292), (6882, 40440), (7440, 37407), (8088, 34410), (8880, 31341), (9176, 30330), (10110, 27528), (10323, 26960), (10447, 26640), (11160, 24938), (11470, 24264), (12132, 22940), (12469, 22320), (13320, 20894), (13480, 20646), (13764, 20220), (15165, 18352), (16176, 17205)]