71365980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{169919}}^1$

素因数の和:169938

約数の個数: 48

約数和(自身を含む): 228372480

約数和(自身を除く): 157006500

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, 169919, 339838, 509757, 679676, 849595, 1019514, 1189433, 1699190, 2039028, 2378866, 2548785, 3398380, 3568299, 4757732, 5097570, 5947165, 7136598, 10195140, 11894330, 14273196, 17841495, 23788660, 35682990, 71365980]

約数ペア:

[(1, 71365980), (2, 35682990), (3, 23788660), (4, 17841495), (5, 14273196), (6, 11894330), (7, 10195140), (10, 7136598), (12, 5947165), (14, 5097570), (15, 4757732), (20, 3568299), (21, 3398380), (28, 2548785), (30, 2378866), (35, 2039028), (42, 1699190), (60, 1189433), (70, 1019514), (84, 849595), (105, 679676), (140, 509757), (210, 339838), (420, 169919)]