320935020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{764131}}^1$

素因数の和:764150

約数の個数: 48

約数和(自身を含む): 1026993408

約数和(自身を除く): 706058388

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, 764131, 1528262, 2292393, 3056524, 3820655, 4584786, 5348917, 7641310, 9169572, 10697834, 11461965, 15282620, 16046751, 21395668, 22923930, 26744585, 32093502, 45847860, 53489170, 64187004, 80233755, 106978340, 160467510, 320935020]

約数ペア:

[(1, 320935020), (2, 160467510), (3, 106978340), (4, 80233755), (5, 64187004), (6, 53489170), (7, 45847860), (10, 32093502), (12, 26744585), (14, 22923930), (15, 21395668), (20, 16046751), (21, 15282620), (28, 11461965), (30, 10697834), (35, 9169572), (42, 7641310), (60, 5348917), (70, 4584786), (84, 3820655), (105, 3056524), (140, 2292393), (210, 1528262), (420, 764131)]