85200780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{202859}}^1$

素因数の和:202878

約数の個数: 48

約数和(自身を含む): 272643840

約数和(自身を除く): 187443060

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, 202859, 405718, 608577, 811436, 1014295, 1217154, 1420013, 2028590, 2434308, 2840026, 3042885, 4057180, 4260039, 5680052, 6085770, 7100065, 8520078, 12171540, 14200130, 17040156, 21300195, 28400260, 42600390, 85200780]

約数ペア:

[(1, 85200780), (2, 42600390), (3, 28400260), (4, 21300195), (5, 17040156), (6, 14200130), (7, 12171540), (10, 8520078), (12, 7100065), (14, 6085770), (15, 5680052), (20, 4260039), (21, 4057180), (28, 3042885), (30, 2840026), (35, 2434308), (42, 2028590), (60, 1420013), (70, 1217154), (84, 1014295), (105, 811436), (140, 608577), (210, 405718), (420, 202859)]