80785815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 150888960

約数和(自身を除く): 70103145

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 73, 95, 165, 209, 219, 285, 353, 365, 627, 803, 1045, 1059, 1095, 1387, 1765, 2409, 3135, 3883, 4015, 4161, 5295, 6707, 6935, 11649, 12045, 15257, 19415, 20121, 20805, 25769, 33535, 45771, 58245, 73777, 76285, 77307, 100605, 128845, 221331, 228855, 283459, 368885, 386535, 489611, 850377, 1106655, 1417295, 1468833, 2448055, 4251885, 5385721, 7344165, 16157163, 26928605, 80785815]

約数ペア:

[(1, 80785815), (3, 26928605), (5, 16157163), (11, 7344165), (15, 5385721), (19, 4251885), (33, 2448055), (55, 1468833), (57, 1417295), (73, 1106655), (95, 850377), (165, 489611), (209, 386535), (219, 368885), (285, 283459), (353, 228855), (365, 221331), (627, 128845), (803, 100605), (1045, 77307), (1059, 76285), (1095, 73777), (1387, 58245), (1765, 45771), (2409, 33535), (3135, 25769), (3883, 20805), (4015, 20121), (4161, 19415), (5295, 15257), (6707, 12045), (6935, 11649)]