320140095

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1279}}^1$

素因数の和:1376

約数の個数: 64

約数和(自身を含む): 588349440

約数和(自身を除く): 268209345

約数列:

[1, 3, 5, 11, 15, 33, 37, 41, 55, 111, 123, 165, 185, 205, 407, 451, 555, 615, 1221, 1279, 1353, 1517, 2035, 2255, 3837, 4551, 6105, 6395, 6765, 7585, 14069, 16687, 19185, 22755, 42207, 47323, 50061, 52439, 70345, 83435, 141969, 157317, 211035, 236615, 250305, 262195, 520553, 576829, 709845, 786585, 1561659, 1730487, 1940243, 2602765, 2884145, 5820729, 7808295, 8652435, 9701215, 21342673, 29103645, 64028019, 106713365, 320140095]

約数ペア:

[(1, 320140095), (3, 106713365), (5, 64028019), (11, 29103645), (15, 21342673), (33, 9701215), (37, 8652435), (41, 7808295), (55, 5820729), (111, 2884145), (123, 2602765), (165, 1940243), (185, 1730487), (205, 1561659), (407, 786585), (451, 709845), (555, 576829), (615, 520553), (1221, 262195), (1279, 250305), (1353, 236615), (1517, 211035), (2035, 157317), (2255, 141969), (3837, 83435), (4551, 70345), (6105, 52439), (6395, 50061), (6765, 47323), (7585, 42207), (14069, 22755), (16687, 19185)]