81003510

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{42859}}^1$

素因数の和:42882

約数の個数: 64

約数和(自身を含む): 246873600

約数和(自身を除く): 165870090

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 42859, 85718, 128577, 214295, 257154, 300013, 385731, 428590, 600026, 642885, 771462, 900039, 1157193, 1285770, 1500065, 1800078, 1928655, 2314386, 2700117, 3000130, 3857310, 4500195, 5400234, 5785965, 8100351, 9000390, 11571930, 13500585, 16200702, 27001170, 40501755, 81003510]

約数ペア:

[(1, 81003510), (2, 40501755), (3, 27001170), (5, 16200702), (6, 13500585), (7, 11571930), (9, 9000390), (10, 8100351), (14, 5785965), (15, 5400234), (18, 4500195), (21, 3857310), (27, 3000130), (30, 2700117), (35, 2314386), (42, 1928655), (45, 1800078), (54, 1500065), (63, 1285770), (70, 1157193), (90, 900039), (105, 771462), (126, 642885), (135, 600026), (189, 428590), (210, 385731), (270, 300013), (315, 257154), (378, 214295), (630, 128577), (945, 85718), (1890, 42859)]