2439420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{373}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 6911520

約数和(自身を除く): 4472100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 373, 436, 545, 654, 746, 1090, 1119, 1308, 1492, 1635, 1865, 2180, 2238, 3270, 3730, 4476, 5595, 6540, 7460, 11190, 22380, 40657, 81314, 121971, 162628, 203285, 243942, 406570, 487884, 609855, 813140, 1219710, 2439420]

約数ペア:

[(1, 2439420), (2, 1219710), (3, 813140), (4, 609855), (5, 487884), (6, 406570), (10, 243942), (12, 203285), (15, 162628), (20, 121971), (30, 81314), (60, 40657), (109, 22380), (218, 11190), (327, 7460), (373, 6540), (436, 5595), (545, 4476), (654, 3730), (746, 3270), (1090, 2238), (1119, 2180), (1308, 1865), (1492, 1635)]