220663680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{409}}^1$

素因数の和:712

約数の個数: 128

約数和(自身を含む): 707594400

約数和(自身を除く): 486930720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 281, 320, 384, 409, 480, 562, 640, 818, 843, 960, 1124, 1227, 1405, 1636, 1686, 1920, 2045, 2248, 2454, 2810, 3272, 3372, 4090, 4215, 4496, 4908, 5620, 6135, 6544, 6744, 8180, 8430, 8992, 9816, 11240, 12270, 13088, 13488, 16360, 16860, 17984, 19632, 22480, 24540, 26176, 26976, 32720, 33720, 35968, 39264, 44960, 49080, 52352, 53952, 65440, 67440, 78528, 89920, 98160, 107904, 114929, 130880, 134880, 157056, 179840, 196320, 229858, 261760, 269760, 344787, 392640, 459716, 539520, 574645, 689574, 785280, 919432, 1149290, 1379148, 1723935, 1838864, 2298580, 2758296, 3447870, 3677728, 4597160, 5516592, 6895740, 7355456, 9194320, 11033184, 13791480, 14710912, 18388640, 22066368, 27582960, 36777280, 44132736, 55165920, 73554560, 110331840, 220663680]

約数ペア:

[(1, 220663680), (2, 110331840), (3, 73554560), (4, 55165920), (5, 44132736), (6, 36777280), (8, 27582960), (10, 22066368), (12, 18388640), (15, 14710912), (16, 13791480), (20, 11033184), (24, 9194320), (30, 7355456), (32, 6895740), (40, 5516592), (48, 4597160), (60, 3677728), (64, 3447870), (80, 2758296), (96, 2298580), (120, 1838864), (128, 1723935), (160, 1379148), (192, 1149290), (240, 919432), (281, 785280), (320, 689574), (384, 574645), (409, 539520), (480, 459716), (562, 392640), (640, 344787), (818, 269760), (843, 261760), (960, 229858), (1124, 196320), (1227, 179840), (1405, 157056), (1636, 134880), (1686, 130880), (1920, 114929), (2045, 107904), (2248, 98160), (2454, 89920), (2810, 78528), (3272, 67440), (3372, 65440), (4090, 53952), (4215, 52352), (4496, 49080), (4908, 44960), (5620, 39264), (6135, 35968), (6544, 33720), (6744, 32720), (8180, 26976), (8430, 26176), (8992, 24540), (9816, 22480), (11240, 19632), (12270, 17984), (13088, 16860), (13488, 16360)]