189928980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{853}}^1\times {\mathrm{1237}}^1$

素因数の和:2105

約数の個数: 72

約数和(自身を含む): 577259592

約数和(自身を除く): 387330612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 853, 1237, 1706, 2474, 2559, 3412, 3711, 4265, 4948, 5118, 6185, 7422, 7677, 8530, 10236, 11133, 12370, 12795, 14844, 15354, 17060, 18555, 22266, 24740, 25590, 30708, 37110, 38385, 44532, 51180, 55665, 74220, 76770, 111330, 153540, 222660, 1055161, 2110322, 3165483, 4220644, 5275805, 6330966, 9496449, 10551610, 12661932, 15827415, 18992898, 21103220, 31654830, 37985796, 47482245, 63309660, 94964490, 189928980]

約数ペア:

[(1, 189928980), (2, 94964490), (3, 63309660), (4, 47482245), (5, 37985796), (6, 31654830), (9, 21103220), (10, 18992898), (12, 15827415), (15, 12661932), (18, 10551610), (20, 9496449), (30, 6330966), (36, 5275805), (45, 4220644), (60, 3165483), (90, 2110322), (180, 1055161), (853, 222660), (1237, 153540), (1706, 111330), (2474, 76770), (2559, 74220), (3412, 55665), (3711, 51180), (4265, 44532), (4948, 38385), (5118, 37110), (6185, 30708), (7422, 25590), (7677, 24740), (8530, 22266), (10236, 18555), (11133, 17060), (12370, 15354), (12795, 14844)]