138311820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{256133}}^1$

素因数の和:256151

約数の個数: 48

約数和(自身を含む): 430305120

約数和(自身を除く): 291993300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 256133, 512266, 768399, 1024532, 1280665, 1536798, 2305197, 2561330, 3073596, 3841995, 4610394, 5122660, 6915591, 7683990, 9220788, 11525985, 13831182, 15367980, 23051970, 27662364, 34577955, 46103940, 69155910, 138311820]

約数ペア:

[(1, 138311820), (2, 69155910), (3, 46103940), (4, 34577955), (5, 27662364), (6, 23051970), (9, 15367980), (10, 13831182), (12, 11525985), (15, 9220788), (18, 7683990), (20, 6915591), (27, 5122660), (30, 4610394), (36, 3841995), (45, 3073596), (54, 2561330), (60, 2305197), (90, 1536798), (108, 1280665), (135, 1024532), (180, 768399), (270, 512266), (540, 256133)]