1640694780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{9114971}}^1$

素因数の和:9114986

約数の個数: 36

約数和(自身を含む): 4976774712

約数和(自身を除く): 3336079932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 9114971, 18229942, 27344913, 36459884, 45574855, 54689826, 82034739, 91149710, 109379652, 136724565, 164069478, 182299420, 273449130, 328138956, 410173695, 546898260, 820347390, 1640694780]

約数ペア:

[(1, 1640694780), (2, 820347390), (3, 546898260), (4, 410173695), (5, 328138956), (6, 273449130), (9, 182299420), (10, 164069478), (12, 136724565), (15, 109379652), (18, 91149710), (20, 82034739), (30, 54689826), (36, 45574855), (45, 36459884), (60, 27344913), (90, 18229942), (180, 9114971)]