15020265

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 28740096

約数和(自身を除く): 13719831

約数列:

[1, 3, 5, 13, 15, 17, 23, 39, 51, 65, 69, 85, 115, 195, 197, 221, 255, 299, 345, 391, 591, 663, 897, 985, 1105, 1173, 1495, 1955, 2561, 2955, 3315, 3349, 4485, 4531, 5083, 5865, 7683, 10047, 12805, 13593, 15249, 16745, 22655, 25415, 38415, 43537, 50235, 58903, 67965, 76245, 77027, 130611, 176709, 217685, 231081, 294515, 385135, 653055, 883545, 1001351, 1155405, 3004053, 5006755, 15020265]

約数ペア:

[(1, 15020265), (3, 5006755), (5, 3004053), (13, 1155405), (15, 1001351), (17, 883545), (23, 653055), (39, 385135), (51, 294515), (65, 231081), (69, 217685), (85, 176709), (115, 130611), (195, 77027), (197, 76245), (221, 67965), (255, 58903), (299, 50235), (345, 43537), (391, 38415), (591, 25415), (663, 22655), (897, 16745), (985, 15249), (1105, 13593), (1173, 12805), (1495, 10047), (1955, 7683), (2561, 5865), (2955, 5083), (3315, 4531), (3349, 4485)]