161312655

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 316467648

約数和(自身を除く): 155154993

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 49, 53, 101, 105, 123, 147, 159, 205, 245, 265, 287, 303, 371, 505, 615, 707, 735, 795, 861, 1113, 1435, 1515, 1855, 2009, 2121, 2173, 2597, 3535, 4141, 4305, 4949, 5353, 5565, 6027, 6519, 7791, 10045, 10605, 10865, 12423, 12985, 14847, 15211, 16059, 20705, 24745, 26765, 28987, 30135, 32595, 37471, 38955, 45633, 62115, 74235, 76055, 80295, 86961, 106477, 112413, 144935, 187355, 202909, 219473, 228165, 262297, 319431, 434805, 532385, 562065, 608727, 658419, 786891, 1014545, 1097365, 1311485, 1536311, 1597155, 3043635, 3292095, 3934455, 4608933, 7681555, 10754177, 23044665, 32262531, 53770885, 161312655]

約数ペア:

[(1, 161312655), (3, 53770885), (5, 32262531), (7, 23044665), (15, 10754177), (21, 7681555), (35, 4608933), (41, 3934455), (49, 3292095), (53, 3043635), (101, 1597155), (105, 1536311), (123, 1311485), (147, 1097365), (159, 1014545), (205, 786891), (245, 658419), (265, 608727), (287, 562065), (303, 532385), (371, 434805), (505, 319431), (615, 262297), (707, 228165), (735, 219473), (795, 202909), (861, 187355), (1113, 144935), (1435, 112413), (1515, 106477), (1855, 86961), (2009, 80295), (2121, 76055), (2173, 74235), (2597, 62115), (3535, 45633), (4141, 38955), (4305, 37471), (4949, 32595), (5353, 30135), (5565, 28987), (6027, 26765), (6519, 24745), (7791, 20705), (10045, 16059), (10605, 15211), (10865, 14847), (12423, 12985)]