28469280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:291

約数の個数: 192

約数和(自身を含む): 105719040

約数和(自身を除く): 77249760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 37, 40, 42, 48, 56, 60, 70, 74, 80, 84, 96, 105, 111, 112, 120, 140, 148, 160, 168, 185, 210, 222, 224, 229, 240, 259, 280, 296, 336, 370, 420, 444, 458, 480, 518, 555, 560, 592, 672, 687, 740, 777, 840, 888, 916, 1036, 1110, 1120, 1145, 1184, 1295, 1374, 1480, 1554, 1603, 1680, 1776, 1832, 2072, 2220, 2290, 2590, 2748, 2960, 3108, 3206, 3360, 3435, 3552, 3664, 3885, 4144, 4440, 4580, 4809, 5180, 5496, 5920, 6216, 6412, 6870, 7328, 7770, 8015, 8288, 8473, 8880, 9160, 9618, 10360, 10992, 12432, 12824, 13740, 15540, 16030, 16946, 17760, 18320, 19236, 20720, 21984, 24045, 24864, 25419, 25648, 27480, 31080, 32060, 33892, 36640, 38472, 41440, 42365, 48090, 50838, 51296, 54960, 59311, 62160, 64120, 67784, 76944, 84730, 96180, 101676, 109920, 118622, 124320, 127095, 128240, 135568, 153888, 169460, 177933, 192360, 203352, 237244, 254190, 256480, 271136, 296555, 338920, 355866, 384720, 406704, 474488, 508380, 593110, 677840, 711732, 769440, 813408, 889665, 948976, 1016760, 1186220, 1355680, 1423464, 1779330, 1897952, 2033520, 2372440, 2846928, 3558660, 4067040, 4744880, 5693856, 7117320, 9489760, 14234640, 28469280]

約数ペア:

[(1, 28469280), (2, 14234640), (3, 9489760), (4, 7117320), (5, 5693856), (6, 4744880), (7, 4067040), (8, 3558660), (10, 2846928), (12, 2372440), (14, 2033520), (15, 1897952), (16, 1779330), (20, 1423464), (21, 1355680), (24, 1186220), (28, 1016760), (30, 948976), (32, 889665), (35, 813408), (37, 769440), (40, 711732), (42, 677840), (48, 593110), (56, 508380), (60, 474488), (70, 406704), (74, 384720), (80, 355866), (84, 338920), (96, 296555), (105, 271136), (111, 256480), (112, 254190), (120, 237244), (140, 203352), (148, 192360), (160, 177933), (168, 169460), (185, 153888), (210, 135568), (222, 128240), (224, 127095), (229, 124320), (240, 118622), (259, 109920), (280, 101676), (296, 96180), (336, 84730), (370, 76944), (420, 67784), (444, 64120), (458, 62160), (480, 59311), (518, 54960), (555, 51296), (560, 50838), (592, 48090), (672, 42365), (687, 41440), (740, 38472), (777, 36640), (840, 33892), (888, 32060), (916, 31080), (1036, 27480), (1110, 25648), (1120, 25419), (1145, 24864), (1184, 24045), (1295, 21984), (1374, 20720), (1480, 19236), (1554, 18320), (1603, 17760), (1680, 16946), (1776, 16030), (1832, 15540), (2072, 13740), (2220, 12824), (2290, 12432), (2590, 10992), (2748, 10360), (2960, 9618), (3108, 9160), (3206, 8880), (3360, 8473), (3435, 8288), (3552, 8015), (3664, 7770), (3885, 7328), (4144, 6870), (4440, 6412), (4580, 6216), (4809, 5920), (5180, 5496)]