205977060

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{381439}}^1$

素因数の和:381457

約数の個数: 48

約数和(自身を含む): 640819200

約数和(自身を除く): 434842140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 381439, 762878, 1144317, 1525756, 1907195, 2288634, 3432951, 3814390, 4577268, 5721585, 6865902, 7628780, 10298853, 11443170, 13731804, 17164755, 20597706, 22886340, 34329510, 41195412, 51494265, 68659020, 102988530, 205977060]

約数ペア:

[(1, 205977060), (2, 102988530), (3, 68659020), (4, 51494265), (5, 41195412), (6, 34329510), (9, 22886340), (10, 20597706), (12, 17164755), (15, 13731804), (18, 11443170), (20, 10298853), (27, 7628780), (30, 6865902), (36, 5721585), (45, 4577268), (54, 3814390), (60, 3432951), (90, 2288634), (108, 1907195), (135, 1525756), (180, 1144317), (270, 762878), (540, 381439)]