1339980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{971}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 3919104

約数和(自身を除く): 2579124

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, 971, 1380, 1942, 2913, 3884, 4855, 5826, 9710, 11652, 14565, 19420, 22333, 29130, 44666, 58260, 66999, 89332, 111665, 133998, 223330, 267996, 334995, 446660, 669990, 1339980]

約数ペア:

[(1, 1339980), (2, 669990), (3, 446660), (4, 334995), (5, 267996), (6, 223330), (10, 133998), (12, 111665), (15, 89332), (20, 66999), (23, 58260), (30, 44666), (46, 29130), (60, 22333), (69, 19420), (92, 14565), (115, 11652), (138, 9710), (230, 5826), (276, 4855), (345, 3884), (460, 2913), (690, 1942), (971, 1380)]