30431220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1831}}^1$

素因数の和:2120

約数の個数: 48

約数和(自身を含む): 85561728

約数和(自身を除く): 55130508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 277, 554, 831, 1108, 1385, 1662, 1831, 2770, 3324, 3662, 4155, 5493, 5540, 7324, 8310, 9155, 10986, 16620, 18310, 21972, 27465, 36620, 54930, 109860, 507187, 1014374, 1521561, 2028748, 2535935, 3043122, 5071870, 6086244, 7607805, 10143740, 15215610, 30431220]

約数ペア:

[(1, 30431220), (2, 15215610), (3, 10143740), (4, 7607805), (5, 6086244), (6, 5071870), (10, 3043122), (12, 2535935), (15, 2028748), (20, 1521561), (30, 1014374), (60, 507187), (277, 109860), (554, 54930), (831, 36620), (1108, 27465), (1385, 21972), (1662, 18310), (1831, 16620), (2770, 10986), (3324, 9155), (3662, 8310), (4155, 7324), (5493, 5540)]