128603940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{4211}}^1$

素因数の和:4732

約数の個数: 48

約数和(自身を含む): 360884160

約数和(自身を除く): 232280220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 509, 1018, 1527, 2036, 2545, 3054, 4211, 5090, 6108, 7635, 8422, 10180, 12633, 15270, 16844, 21055, 25266, 30540, 42110, 50532, 63165, 84220, 126330, 252660, 2143399, 4286798, 6430197, 8573596, 10716995, 12860394, 21433990, 25720788, 32150985, 42867980, 64301970, 128603940]

約数ペア:

[(1, 128603940), (2, 64301970), (3, 42867980), (4, 32150985), (5, 25720788), (6, 21433990), (10, 12860394), (12, 10716995), (15, 8573596), (20, 6430197), (30, 4286798), (60, 2143399), (509, 252660), (1018, 126330), (1527, 84220), (2036, 63165), (2545, 50532), (3054, 42110), (4211, 30540), (5090, 25266), (6108, 21055), (7635, 16844), (8422, 15270), (10180, 12633)]