151980040

素因数分解:

$2^3\times 5^1\times {\mathrm{1657}}^1\times {\mathrm{2293}}^1$

素因数の和:3961

約数の個数: 32

約数和(自身を含む): 342310680

約数和(自身を除く): 190330640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1657, 2293, 3314, 4586, 6628, 8285, 9172, 11465, 13256, 16570, 18344, 22930, 33140, 45860, 66280, 91720, 3799501, 7599002, 15198004, 18997505, 30396008, 37995010, 75990020, 151980040]

約数ペア:

[(1, 151980040), (2, 75990020), (4, 37995010), (5, 30396008), (8, 18997505), (10, 15198004), (20, 7599002), (40, 3799501), (1657, 91720), (2293, 66280), (3314, 45860), (4586, 33140), (6628, 22930), (8285, 18344), (9172, 16570), (11465, 13256)]