42739980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30971}}^1$

素因数の和:31006

約数の個数: 48

約数和(自身を含む): 124879104

約数和(自身を除く): 82139124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 30971, 61942, 92913, 123884, 154855, 185826, 309710, 371652, 464565, 619420, 712333, 929130, 1424666, 1858260, 2136999, 2849332, 3561665, 4273998, 7123330, 8547996, 10684995, 14246660, 21369990, 42739980]

約数ペア:

[(1, 42739980), (2, 21369990), (3, 14246660), (4, 10684995), (5, 8547996), (6, 7123330), (10, 4273998), (12, 3561665), (15, 2849332), (20, 2136999), (23, 1858260), (30, 1424666), (46, 929130), (60, 712333), (69, 619420), (92, 464565), (115, 371652), (138, 309710), (230, 185826), (276, 154855), (345, 123884), (460, 92913), (690, 61942), (1380, 30971)]