16530780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{39359}}^1$

素因数の和:39378

約数の個数: 48

約数和(自身を含む): 52899840

約数和(自身を除く): 36369060

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, 39359, 78718, 118077, 157436, 196795, 236154, 275513, 393590, 472308, 551026, 590385, 787180, 826539, 1102052, 1180770, 1377565, 1653078, 2361540, 2755130, 3306156, 4132695, 5510260, 8265390, 16530780]

約数ペア:

[(1, 16530780), (2, 8265390), (3, 5510260), (4, 4132695), (5, 3306156), (6, 2755130), (7, 2361540), (10, 1653078), (12, 1377565), (14, 1180770), (15, 1102052), (20, 826539), (21, 787180), (28, 590385), (30, 551026), (35, 472308), (42, 393590), (60, 275513), (70, 236154), (84, 196795), (105, 157436), (140, 118077), (210, 78718), (420, 39359)]