28931880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{683}}^1$

素因数の和:1050

約数の個数: 64

約数和(自身を含む): 87168960

約数和(自身を除く): 58237080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 353, 683, 706, 1059, 1366, 1412, 1765, 2049, 2118, 2732, 2824, 3415, 3530, 4098, 4236, 5295, 5464, 6830, 7060, 8196, 8472, 10245, 10590, 13660, 14120, 16392, 20490, 21180, 27320, 40980, 42360, 81960, 241099, 482198, 723297, 964396, 1205495, 1446594, 1928792, 2410990, 2893188, 3616485, 4821980, 5786376, 7232970, 9643960, 14465940, 28931880]

約数ペア:

[(1, 28931880), (2, 14465940), (3, 9643960), (4, 7232970), (5, 5786376), (6, 4821980), (8, 3616485), (10, 2893188), (12, 2410990), (15, 1928792), (20, 1446594), (24, 1205495), (30, 964396), (40, 723297), (60, 482198), (120, 241099), (353, 81960), (683, 42360), (706, 40980), (1059, 27320), (1366, 21180), (1412, 20490), (1765, 16392), (2049, 14120), (2118, 13660), (2732, 10590), (2824, 10245), (3415, 8472), (3530, 8196), (4098, 7060), (4236, 6830), (5295, 5464)]