28955520

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1$

素因数の和:493

約数の個数: 192

約数和(自身を含む): 109315440

約数和(自身を除く): 80359920

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, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 264, 288, 320, 330, 352, 360, 384, 396, 440, 457, 480, 495, 528, 576, 640, 660, 704, 720, 792, 880, 914, 960, 990, 1056, 1152, 1320, 1371, 1408, 1440, 1584, 1760, 1828, 1920, 1980, 2112, 2285, 2640, 2742, 2880, 3168, 3520, 3656, 3960, 4113, 4224, 4570, 5027, 5280, 5484, 5760, 6336, 6855, 7040, 7312, 7920, 8226, 9140, 10054, 10560, 10968, 12672, 13710, 14624, 15081, 15840, 16452, 18280, 20108, 20565, 21120, 21936, 25135, 27420, 29248, 30162, 31680, 32904, 36560, 40216, 41130, 43872, 45243, 50270, 54840, 58496, 60324, 63360, 65808, 73120, 75405, 80432, 82260, 87744, 90486, 100540, 109680, 120648, 131616, 146240, 150810, 160864, 164520, 175488, 180972, 201080, 219360, 226215, 241296, 263232, 292480, 301620, 321728, 329040, 361944, 402160, 438720, 452430, 482592, 526464, 603240, 643456, 658080, 723888, 804320, 877440, 904860, 965184, 1206480, 1316160, 1447776, 1608640, 1809720, 1930368, 2412960, 2632320, 2895552, 3217280, 3619440, 4825920, 5791104, 7238880, 9651840, 14477760, 28955520]

約数ペア:

[(1, 28955520), (2, 14477760), (3, 9651840), (4, 7238880), (5, 5791104), (6, 4825920), (8, 3619440), (9, 3217280), (10, 2895552), (11, 2632320), (12, 2412960), (15, 1930368), (16, 1809720), (18, 1608640), (20, 1447776), (22, 1316160), (24, 1206480), (30, 965184), (32, 904860), (33, 877440), (36, 804320), (40, 723888), (44, 658080), (45, 643456), (48, 603240), (55, 526464), (60, 482592), (64, 452430), (66, 438720), (72, 402160), (80, 361944), (88, 329040), (90, 321728), (96, 301620), (99, 292480), (110, 263232), (120, 241296), (128, 226215), (132, 219360), (144, 201080), (160, 180972), (165, 175488), (176, 164520), (180, 160864), (192, 150810), (198, 146240), (220, 131616), (240, 120648), (264, 109680), (288, 100540), (320, 90486), (330, 87744), (352, 82260), (360, 80432), (384, 75405), (396, 73120), (440, 65808), (457, 63360), (480, 60324), (495, 58496), (528, 54840), (576, 50270), (640, 45243), (660, 43872), (704, 41130), (720, 40216), (792, 36560), (880, 32904), (914, 31680), (960, 30162), (990, 29248), (1056, 27420), (1152, 25135), (1320, 21936), (1371, 21120), (1408, 20565), (1440, 20108), (1584, 18280), (1760, 16452), (1828, 15840), (1920, 15081), (1980, 14624), (2112, 13710), (2285, 12672), (2640, 10968), (2742, 10560), (2880, 10054), (3168, 9140), (3520, 8226), (3656, 7920), (3960, 7312), (4113, 7040), (4224, 6855), (4570, 6336), (5027, 5760), (5280, 5484)]