205313220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{162947}}^1$

素因数の和:162969

約数の個数: 72

約数和(自身を含む): 711756864

約数和(自身を除く): 506443644

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 162947, 325894, 488841, 651788, 814735, 977682, 1140629, 1466523, 1629470, 1955364, 2281258, 2444205, 2933046, 3258940, 3421887, 4562516, 4888410, 5703145, 5866092, 6843774, 7332615, 9776820, 10265661, 11406290, 13687548, 14665230, 17109435, 20531322, 22812580, 29330460, 34218870, 41062644, 51328305, 68437740, 102656610, 205313220]

約数ペア:

[(1, 205313220), (2, 102656610), (3, 68437740), (4, 51328305), (5, 41062644), (6, 34218870), (7, 29330460), (9, 22812580), (10, 20531322), (12, 17109435), (14, 14665230), (15, 13687548), (18, 11406290), (20, 10265661), (21, 9776820), (28, 7332615), (30, 6843774), (35, 5866092), (36, 5703145), (42, 4888410), (45, 4562516), (60, 3421887), (63, 3258940), (70, 2933046), (84, 2444205), (90, 2281258), (105, 1955364), (126, 1629470), (140, 1466523), (180, 1140629), (210, 977682), (252, 814735), (315, 651788), (420, 488841), (630, 325894), (1260, 162947)]