56651220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{907}}^1$

素因数の和:1269

約数の個数: 72

約数和(自身を含む): 172527264

約数和(自身を除く): 115876044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 347, 694, 907, 1041, 1388, 1735, 1814, 2082, 2721, 3123, 3470, 3628, 4164, 4535, 5205, 5442, 6246, 6940, 8163, 9070, 10410, 10884, 12492, 13605, 15615, 16326, 18140, 20820, 27210, 31230, 32652, 40815, 54420, 62460, 81630, 163260, 314729, 629458, 944187, 1258916, 1573645, 1888374, 2832561, 3147290, 3776748, 4720935, 5665122, 6294580, 9441870, 11330244, 14162805, 18883740, 28325610, 56651220]

約数ペア:

[(1, 56651220), (2, 28325610), (3, 18883740), (4, 14162805), (5, 11330244), (6, 9441870), (9, 6294580), (10, 5665122), (12, 4720935), (15, 3776748), (18, 3147290), (20, 2832561), (30, 1888374), (36, 1573645), (45, 1258916), (60, 944187), (90, 629458), (180, 314729), (347, 163260), (694, 81630), (907, 62460), (1041, 54420), (1388, 40815), (1735, 32652), (1814, 31230), (2082, 27210), (2721, 20820), (3123, 18140), (3470, 16326), (3628, 15615), (4164, 13605), (4535, 12492), (5205, 10884), (5442, 10410), (6246, 9070), (6940, 8163)]