78989520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{329123}}^1$

素因数の和:329139

約数の個数: 40

約数和(自身を含む): 244868256

約数和(自身を除く): 165878736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 329123, 658246, 987369, 1316492, 1645615, 1974738, 2632984, 3291230, 3949476, 4936845, 5265968, 6582460, 7898952, 9873690, 13164920, 15797904, 19747380, 26329840, 39494760, 78989520]

約数ペア:

[(1, 78989520), (2, 39494760), (3, 26329840), (4, 19747380), (5, 15797904), (6, 13164920), (8, 9873690), (10, 7898952), (12, 6582460), (15, 5265968), (16, 4936845), (20, 3949476), (24, 3291230), (30, 2632984), (40, 1974738), (48, 1645615), (60, 1316492), (80, 987369), (120, 658246), (240, 329123)]