215328680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{3191}}^1$

素因数の和:3450

約数の個数: 64

約数和(自身を含む): 556174080

約数和(自身を除く): 340845400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 241, 280, 482, 964, 1205, 1687, 1928, 2410, 3191, 3374, 4820, 6382, 6748, 8435, 9640, 12764, 13496, 15955, 16870, 22337, 25528, 31910, 33740, 44674, 63820, 67480, 89348, 111685, 127640, 178696, 223370, 446740, 769031, 893480, 1538062, 3076124, 3845155, 5383217, 6152248, 7690310, 10766434, 15380620, 21532868, 26916085, 30761240, 43065736, 53832170, 107664340, 215328680]

約数ペア:

[(1, 215328680), (2, 107664340), (4, 53832170), (5, 43065736), (7, 30761240), (8, 26916085), (10, 21532868), (14, 15380620), (20, 10766434), (28, 7690310), (35, 6152248), (40, 5383217), (56, 3845155), (70, 3076124), (140, 1538062), (241, 893480), (280, 769031), (482, 446740), (964, 223370), (1205, 178696), (1687, 127640), (1928, 111685), (2410, 89348), (3191, 67480), (3374, 63820), (4820, 44674), (6382, 33740), (6748, 31910), (8435, 25528), (9640, 22337), (12764, 16870), (13496, 15955)]