66720735

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 125549424

約数和(自身を除く): 58828689

約数列:

[1, 3, 5, 9, 15, 29, 41, 43, 45, 87, 123, 129, 145, 205, 215, 261, 369, 387, 435, 615, 645, 841, 1189, 1247, 1305, 1763, 1845, 1935, 2523, 3567, 3741, 4205, 5289, 5945, 6235, 7569, 8815, 10701, 11223, 12615, 15867, 17835, 18705, 26445, 34481, 36163, 37845, 51127, 53505, 56115, 79335, 103443, 108489, 153381, 172405, 180815, 255635, 310329, 325467, 460143, 517215, 542445, 766905, 1482683, 1551645, 1627335, 2300715, 4448049, 7413415, 13344147, 22240245, 66720735]

約数ペア:

[(1, 66720735), (3, 22240245), (5, 13344147), (9, 7413415), (15, 4448049), (29, 2300715), (41, 1627335), (43, 1551645), (45, 1482683), (87, 766905), (123, 542445), (129, 517215), (145, 460143), (205, 325467), (215, 310329), (261, 255635), (369, 180815), (387, 172405), (435, 153381), (615, 108489), (645, 103443), (841, 79335), (1189, 56115), (1247, 53505), (1305, 51127), (1763, 37845), (1845, 36163), (1935, 34481), (2523, 26445), (3567, 18705), (3741, 17835), (4205, 15867), (5289, 12615), (5945, 11223), (6235, 10701), (7569, 8815)]