139991880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{166657}}^1$

素因数の和:166678

約数の個数: 64

約数和(自身を含む): 479975040

約数和(自身を除く): 339983160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 166657, 333314, 499971, 666628, 833285, 999942, 1166599, 1333256, 1666570, 1999884, 2333198, 2499855, 3333140, 3499797, 3999768, 4666396, 4999710, 5832995, 6666280, 6999594, 9332792, 9999420, 11665990, 13999188, 17498985, 19998840, 23331980, 27998376, 34997970, 46663960, 69995940, 139991880]

約数ペア:

[(1, 139991880), (2, 69995940), (3, 46663960), (4, 34997970), (5, 27998376), (6, 23331980), (7, 19998840), (8, 17498985), (10, 13999188), (12, 11665990), (14, 9999420), (15, 9332792), (20, 6999594), (21, 6666280), (24, 5832995), (28, 4999710), (30, 4666396), (35, 3999768), (40, 3499797), (42, 3333140), (56, 2499855), (60, 2333198), (70, 1999884), (84, 1666570), (105, 1333256), (120, 1166599), (140, 999942), (168, 833285), (210, 666628), (280, 499971), (420, 333314), (840, 166657)]