51639480

素因数分解:

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

素因数の和:143460

約数の個数: 48

約数和(自身を含む): 167829480

約数和(自身を除く): 116190000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 143443, 286886, 430329, 573772, 717215, 860658, 1147544, 1290987, 1434430, 1721316, 2151645, 2581974, 2868860, 3442632, 4303290, 5163948, 5737720, 6454935, 8606580, 10327896, 12909870, 17213160, 25819740, 51639480]

約数ペア:

[(1, 51639480), (2, 25819740), (3, 17213160), (4, 12909870), (5, 10327896), (6, 8606580), (8, 6454935), (9, 5737720), (10, 5163948), (12, 4303290), (15, 3442632), (18, 2868860), (20, 2581974), (24, 2151645), (30, 1721316), (36, 1434430), (40, 1290987), (45, 1147544), (60, 860658), (72, 717215), (90, 573772), (120, 430329), (180, 286886), (360, 143443)]