72706815

素因数分解:

$3^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 134217600

約数和(自身を除く): 61510785

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 109, 135, 183, 243, 305, 327, 405, 545, 549, 729, 915, 981, 1215, 1635, 1647, 2187, 2745, 2943, 3645, 4905, 4941, 6649, 8235, 8829, 10935, 14715, 14823, 19947, 24705, 26487, 33245, 44145, 44469, 59841, 74115, 79461, 99735, 132435, 133407, 179523, 222345, 238383, 299205, 397305, 538569, 667035, 897615, 1191915, 1615707, 2692845, 4847121, 8078535, 14541363, 24235605, 72706815]

約数ペア:

[(1, 72706815), (3, 24235605), (5, 14541363), (9, 8078535), (15, 4847121), (27, 2692845), (45, 1615707), (61, 1191915), (81, 897615), (109, 667035), (135, 538569), (183, 397305), (243, 299205), (305, 238383), (327, 222345), (405, 179523), (545, 133407), (549, 132435), (729, 99735), (915, 79461), (981, 74115), (1215, 59841), (1635, 44469), (1647, 44145), (2187, 33245), (2745, 26487), (2943, 24705), (3645, 19947), (4905, 14823), (4941, 14715), (6649, 10935), (8235, 8829)]