201720840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1681007}}^1$

素因数の和:1681021

約数の個数: 32

約数和(自身を含む): 605162880

約数和(自身を除く): 403442040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1681007, 3362014, 5043021, 6724028, 8405035, 10086042, 13448056, 16810070, 20172084, 25215105, 33620140, 40344168, 50430210, 67240280, 100860420, 201720840]

約数ペア:

[(1, 201720840), (2, 100860420), (3, 67240280), (4, 50430210), (5, 40344168), (6, 33620140), (8, 25215105), (10, 20172084), (12, 16810070), (15, 13448056), (20, 10086042), (24, 8405035), (30, 6724028), (40, 5043021), (60, 3362014), (120, 1681007)]