2778780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1597}}^1$

素因数の和:1638

約数の個数: 48

約数和(自身を含む): 8053920

約数和(自身を除く): 5275140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1597, 1740, 3194, 4791, 6388, 7985, 9582, 15970, 19164, 23955, 31940, 46313, 47910, 92626, 95820, 138939, 185252, 231565, 277878, 463130, 555756, 694695, 926260, 1389390, 2778780]

約数ペア:

[(1, 2778780), (2, 1389390), (3, 926260), (4, 694695), (5, 555756), (6, 463130), (10, 277878), (12, 231565), (15, 185252), (20, 138939), (29, 95820), (30, 92626), (58, 47910), (60, 46313), (87, 31940), (116, 23955), (145, 19164), (174, 15970), (290, 9582), (348, 7985), (435, 6388), (580, 4791), (870, 3194), (1597, 1740)]