220801185

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1381}}^1$

素因数の和:1439

約数の個数: 96

約数和(自身を含む): 465678720

約数和(自身を除く): 244877535

約数列:

[1, 3, 5, 9, 11, 15, 17, 19, 33, 45, 51, 55, 57, 85, 95, 99, 153, 165, 171, 187, 209, 255, 285, 323, 495, 561, 627, 765, 855, 935, 969, 1045, 1381, 1615, 1683, 1881, 2805, 2907, 3135, 3553, 4143, 4845, 6905, 8415, 9405, 10659, 12429, 14535, 15191, 17765, 20715, 23477, 26239, 31977, 45573, 53295, 62145, 70431, 75955, 78717, 117385, 131195, 136719, 159885, 211293, 227865, 236151, 258247, 288629, 352155, 393585, 446063, 683595, 774741, 865887, 1056465, 1180755, 1291235, 1338189, 1443145, 2230315, 2324223, 2597661, 3873705, 4014567, 4329435, 4906693, 6690945, 11621115, 12988305, 14720079, 20072835, 24533465, 44160237, 73600395, 220801185]

約数ペア:

[(1, 220801185), (3, 73600395), (5, 44160237), (9, 24533465), (11, 20072835), (15, 14720079), (17, 12988305), (19, 11621115), (33, 6690945), (45, 4906693), (51, 4329435), (55, 4014567), (57, 3873705), (85, 2597661), (95, 2324223), (99, 2230315), (153, 1443145), (165, 1338189), (171, 1291235), (187, 1180755), (209, 1056465), (255, 865887), (285, 774741), (323, 683595), (495, 446063), (561, 393585), (627, 352155), (765, 288629), (855, 258247), (935, 236151), (969, 227865), (1045, 211293), (1381, 159885), (1615, 136719), (1683, 131195), (1881, 117385), (2805, 78717), (2907, 75955), (3135, 70431), (3553, 62145), (4143, 53295), (4845, 45573), (6905, 31977), (8415, 26239), (9405, 23477), (10659, 20715), (12429, 17765), (14535, 15191)]