68958760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{101}}^2$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 169690410

約数和(自身を除く): 100731650

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 101, 104, 130, 169, 202, 260, 338, 404, 505, 520, 676, 808, 845, 1010, 1313, 1352, 1690, 2020, 2626, 3380, 4040, 5252, 6565, 6760, 10201, 10504, 13130, 17069, 20402, 26260, 34138, 40804, 51005, 52520, 68276, 81608, 85345, 102010, 132613, 136552, 170690, 204020, 265226, 341380, 408040, 530452, 663065, 682760, 1060904, 1326130, 1723969, 2652260, 3447938, 5304520, 6895876, 8619845, 13791752, 17239690, 34479380, 68958760]

約数ペア:

[(1, 68958760), (2, 34479380), (4, 17239690), (5, 13791752), (8, 8619845), (10, 6895876), (13, 5304520), (20, 3447938), (26, 2652260), (40, 1723969), (52, 1326130), (65, 1060904), (101, 682760), (104, 663065), (130, 530452), (169, 408040), (202, 341380), (260, 265226), (338, 204020), (404, 170690), (505, 136552), (520, 132613), (676, 102010), (808, 85345), (845, 81608), (1010, 68276), (1313, 52520), (1352, 51005), (1690, 40804), (2020, 34138), (2626, 26260), (3380, 20402), (4040, 17069), (5252, 13130), (6565, 10504), (6760, 10201)]