71340780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{169859}}^1$

素因数の和:169878

約数の個数: 48

約数和(自身を含む): 228291840

約数和(自身を除く): 156951060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 169859, 339718, 509577, 679436, 849295, 1019154, 1189013, 1698590, 2038308, 2378026, 2547885, 3397180, 3567039, 4756052, 5095770, 5945065, 7134078, 10191540, 11890130, 14268156, 17835195, 23780260, 35670390, 71340780]

約数ペア:

[(1, 71340780), (2, 35670390), (3, 23780260), (4, 17835195), (5, 14268156), (6, 11890130), (7, 10191540), (10, 7134078), (12, 5945065), (14, 5095770), (15, 4756052), (20, 3567039), (21, 3397180), (28, 2547885), (30, 2378026), (35, 2038308), (42, 1698590), (60, 1189013), (70, 1019154), (84, 849295), (105, 679436), (140, 509577), (210, 339718), (420, 169859)]