16215780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{38609}}^1$

素因数の和:38628

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 35676060

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, 38609, 77218, 115827, 154436, 193045, 231654, 270263, 386090, 463308, 540526, 579135, 772180, 810789, 1081052, 1158270, 1351315, 1621578, 2316540, 2702630, 3243156, 4053945, 5405260, 8107890, 16215780]

約数ペア:

[(1, 16215780), (2, 8107890), (3, 5405260), (4, 4053945), (5, 3243156), (6, 2702630), (7, 2316540), (10, 1621578), (12, 1351315), (14, 1158270), (15, 1081052), (20, 810789), (21, 772180), (28, 579135), (30, 540526), (35, 463308), (42, 386090), (60, 270263), (70, 231654), (84, 193045), (105, 154436), (140, 115827), (210, 77218), (420, 38609)]