28880340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2953}}^1$

素因数の和:3128

約数の個数: 48

約数和(自身を含む): 81388608

約数和(自身を除く): 52508268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 978, 1630, 1956, 2445, 2953, 3260, 4890, 5906, 8859, 9780, 11812, 14765, 17718, 29530, 35436, 44295, 59060, 88590, 177180, 481339, 962678, 1444017, 1925356, 2406695, 2888034, 4813390, 5776068, 7220085, 9626780, 14440170, 28880340]

約数ペア:

[(1, 28880340), (2, 14440170), (3, 9626780), (4, 7220085), (5, 5776068), (6, 4813390), (10, 2888034), (12, 2406695), (15, 1925356), (20, 1444017), (30, 962678), (60, 481339), (163, 177180), (326, 88590), (489, 59060), (652, 44295), (815, 35436), (978, 29530), (1630, 17718), (1956, 14765), (2445, 11812), (2953, 9780), (3260, 8859), (4890, 5906)]