181440420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{432001}}^1$

素因数の和:432020

約数の個数: 48

約数和(自身を含む): 580610688

約数和(自身を除く): 399170268

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, 432001, 864002, 1296003, 1728004, 2160005, 2592006, 3024007, 4320010, 5184012, 6048014, 6480015, 8640020, 9072021, 12096028, 12960030, 15120035, 18144042, 25920060, 30240070, 36288084, 45360105, 60480140, 90720210, 181440420]

約数ペア:

[(1, 181440420), (2, 90720210), (3, 60480140), (4, 45360105), (5, 36288084), (6, 30240070), (7, 25920060), (10, 18144042), (12, 15120035), (14, 12960030), (15, 12096028), (20, 9072021), (21, 8640020), (28, 6480015), (30, 6048014), (35, 5184012), (42, 4320010), (60, 3024007), (70, 2592006), (84, 2160005), (105, 1728004), (140, 1296003), (210, 864002), (420, 432001)]