206557920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{143443}}^1$

素因数の和:143464

約数の個数: 72

約数和(自身を含む): 704883816

約数和(自身を除く): 498325896

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 143443, 286886, 430329, 573772, 717215, 860658, 1147544, 1290987, 1434430, 1721316, 2151645, 2295088, 2581974, 2868860, 3442632, 4303290, 4590176, 5163948, 5737720, 6454935, 6885264, 8606580, 10327896, 11475440, 12909870, 13770528, 17213160, 20655792, 22950880, 25819740, 34426320, 41311584, 51639480, 68852640, 103278960, 206557920]

約数ペア:

[(1, 206557920), (2, 103278960), (3, 68852640), (4, 51639480), (5, 41311584), (6, 34426320), (8, 25819740), (9, 22950880), (10, 20655792), (12, 17213160), (15, 13770528), (16, 12909870), (18, 11475440), (20, 10327896), (24, 8606580), (30, 6885264), (32, 6454935), (36, 5737720), (40, 5163948), (45, 4590176), (48, 4303290), (60, 3442632), (72, 2868860), (80, 2581974), (90, 2295088), (96, 2151645), (120, 1721316), (144, 1434430), (160, 1290987), (180, 1147544), (240, 860658), (288, 717215), (360, 573772), (480, 430329), (720, 286886), (1440, 143443)]