28897920

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:227

約数の個数: 192

約数和(自身を含む): 103825800

約数和(自身を除く): 74927880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 64, 72, 80, 87, 90, 96, 116, 120, 128, 144, 145, 160, 173, 174, 180, 192, 232, 240, 261, 288, 290, 320, 346, 348, 360, 384, 435, 464, 480, 519, 522, 576, 580, 640, 692, 696, 720, 865, 870, 928, 960, 1038, 1044, 1152, 1160, 1305, 1384, 1392, 1440, 1557, 1730, 1740, 1856, 1920, 2076, 2088, 2320, 2595, 2610, 2768, 2784, 2880, 3114, 3460, 3480, 3712, 4152, 4176, 4640, 5017, 5190, 5220, 5536, 5568, 5760, 6228, 6920, 6960, 7785, 8304, 8352, 9280, 10034, 10380, 10440, 11072, 11136, 12456, 13840, 13920, 15051, 15570, 16608, 16704, 18560, 20068, 20760, 20880, 22144, 24912, 25085, 27680, 27840, 30102, 31140, 33216, 33408, 40136, 41520, 41760, 45153, 49824, 50170, 55360, 55680, 60204, 62280, 66432, 75255, 80272, 83040, 83520, 90306, 99648, 100340, 110720, 120408, 124560, 150510, 160544, 166080, 167040, 180612, 199296, 200680, 225765, 240816, 249120, 301020, 321088, 332160, 361224, 401360, 451530, 481632, 498240, 602040, 642176, 722448, 802720, 903060, 963264, 996480, 1204080, 1444896, 1605440, 1806120, 1926528, 2408160, 2889792, 3210880, 3612240, 4816320, 5779584, 7224480, 9632640, 14448960, 28897920]

約数ペア:

[(1, 28897920), (2, 14448960), (3, 9632640), (4, 7224480), (5, 5779584), (6, 4816320), (8, 3612240), (9, 3210880), (10, 2889792), (12, 2408160), (15, 1926528), (16, 1806120), (18, 1605440), (20, 1444896), (24, 1204080), (29, 996480), (30, 963264), (32, 903060), (36, 802720), (40, 722448), (45, 642176), (48, 602040), (58, 498240), (60, 481632), (64, 451530), (72, 401360), (80, 361224), (87, 332160), (90, 321088), (96, 301020), (116, 249120), (120, 240816), (128, 225765), (144, 200680), (145, 199296), (160, 180612), (173, 167040), (174, 166080), (180, 160544), (192, 150510), (232, 124560), (240, 120408), (261, 110720), (288, 100340), (290, 99648), (320, 90306), (346, 83520), (348, 83040), (360, 80272), (384, 75255), (435, 66432), (464, 62280), (480, 60204), (519, 55680), (522, 55360), (576, 50170), (580, 49824), (640, 45153), (692, 41760), (696, 41520), (720, 40136), (865, 33408), (870, 33216), (928, 31140), (960, 30102), (1038, 27840), (1044, 27680), (1152, 25085), (1160, 24912), (1305, 22144), (1384, 20880), (1392, 20760), (1440, 20068), (1557, 18560), (1730, 16704), (1740, 16608), (1856, 15570), (1920, 15051), (2076, 13920), (2088, 13840), (2320, 12456), (2595, 11136), (2610, 11072), (2768, 10440), (2784, 10380), (2880, 10034), (3114, 9280), (3460, 8352), (3480, 8304), (3712, 7785), (4152, 6960), (4176, 6920), (4640, 6228), (5017, 5760), (5190, 5568), (5220, 5536)]