669990

素因数分解:

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

素因数の和:1004

約数の個数: 32

約数和(自身を含む): 1679616

約数和(自身を除く): 1009626

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 971, 1942, 2913, 4855, 5826, 9710, 14565, 22333, 29130, 44666, 66999, 111665, 133998, 223330, 334995, 669990]

約数ペア:

[(1, 669990), (2, 334995), (3, 223330), (5, 133998), (6, 111665), (10, 66999), (15, 44666), (23, 29130), (30, 22333), (46, 14565), (69, 9710), (115, 5826), (138, 4855), (230, 2913), (345, 1942), (690, 971)]