205152720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2731}}^1$

素因数の和:3060

約数の個数: 80

約数和(自身を含む): 638238912

約数和(自身を除く): 433086192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 313, 626, 939, 1252, 1565, 1878, 2504, 2731, 3130, 3756, 4695, 5008, 5462, 6260, 7512, 8193, 9390, 10924, 12520, 13655, 15024, 16386, 18780, 21848, 25040, 27310, 32772, 37560, 40965, 43696, 54620, 65544, 75120, 81930, 109240, 131088, 163860, 218480, 327720, 655440, 854803, 1709606, 2564409, 3419212, 4274015, 5128818, 6838424, 8548030, 10257636, 12822045, 13676848, 17096060, 20515272, 25644090, 34192120, 41030544, 51288180, 68384240, 102576360, 205152720]

約数ペア:

[(1, 205152720), (2, 102576360), (3, 68384240), (4, 51288180), (5, 41030544), (6, 34192120), (8, 25644090), (10, 20515272), (12, 17096060), (15, 13676848), (16, 12822045), (20, 10257636), (24, 8548030), (30, 6838424), (40, 5128818), (48, 4274015), (60, 3419212), (80, 2564409), (120, 1709606), (240, 854803), (313, 655440), (626, 327720), (939, 218480), (1252, 163860), (1565, 131088), (1878, 109240), (2504, 81930), (2731, 75120), (3130, 65544), (3756, 54620), (4695, 43696), (5008, 40965), (5462, 37560), (6260, 32772), (7512, 27310), (8193, 25040), (9390, 21848), (10924, 18780), (12520, 16386), (13655, 15024)]