205854960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{887}}^1\times {\mathrm{967}}^1$

素因数の和:1870

約数の個数: 80

約数和(自身を含む): 639530496

約数和(自身を除く): 433675536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 887, 967, 1774, 1934, 2661, 2901, 3548, 3868, 4435, 4835, 5322, 5802, 7096, 7736, 8870, 9670, 10644, 11604, 13305, 14192, 14505, 15472, 17740, 19340, 21288, 23208, 26610, 29010, 35480, 38680, 42576, 46416, 53220, 58020, 70960, 77360, 106440, 116040, 212880, 232080, 857729, 1715458, 2573187, 3430916, 4288645, 5146374, 6861832, 8577290, 10292748, 12865935, 13723664, 17154580, 20585496, 25731870, 34309160, 41170992, 51463740, 68618320, 102927480, 205854960]

約数ペア:

[(1, 205854960), (2, 102927480), (3, 68618320), (4, 51463740), (5, 41170992), (6, 34309160), (8, 25731870), (10, 20585496), (12, 17154580), (15, 13723664), (16, 12865935), (20, 10292748), (24, 8577290), (30, 6861832), (40, 5146374), (48, 4288645), (60, 3430916), (80, 2573187), (120, 1715458), (240, 857729), (887, 232080), (967, 212880), (1774, 116040), (1934, 106440), (2661, 77360), (2901, 70960), (3548, 58020), (3868, 53220), (4435, 46416), (4835, 42576), (5322, 38680), (5802, 35480), (7096, 29010), (7736, 26610), (8870, 23208), (9670, 21288), (10644, 19340), (11604, 17740), (13305, 15472), (14192, 14505)]