67921840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17327}}^1$

素因数の和:17354

約数の個数: 60

約数和(自身を含む): 183711456

約数和(自身を除く): 115789616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 17327, 34654, 69308, 86635, 121289, 138616, 173270, 242578, 277232, 346540, 485156, 606445, 693080, 849023, 970312, 1212890, 1386160, 1698046, 1940624, 2425780, 3396092, 4245115, 4851560, 6792184, 8490230, 9703120, 13584368, 16980460, 33960920, 67921840]

約数ペア:

[(1, 67921840), (2, 33960920), (4, 16980460), (5, 13584368), (7, 9703120), (8, 8490230), (10, 6792184), (14, 4851560), (16, 4245115), (20, 3396092), (28, 2425780), (35, 1940624), (40, 1698046), (49, 1386160), (56, 1212890), (70, 970312), (80, 849023), (98, 693080), (112, 606445), (140, 485156), (196, 346540), (245, 277232), (280, 242578), (392, 173270), (490, 138616), (560, 121289), (784, 86635), (980, 69308), (1960, 34654), (3920, 17327)]