138309660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{256129}}^1$

素因数の和:256147

約数の個数: 48

約数和(自身を含む): 430298400

約数和(自身を除く): 291988740

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, 256129, 512258, 768387, 1024516, 1280645, 1536774, 2305161, 2561290, 3073548, 3841935, 4610322, 5122580, 6915483, 7683870, 9220644, 11525805, 13830966, 15367740, 23051610, 27661932, 34577415, 46103220, 69154830, 138309660]

約数ペア:

[(1, 138309660), (2, 69154830), (3, 46103220), (4, 34577415), (5, 27661932), (6, 23051610), (9, 15367740), (10, 13830966), (12, 11525805), (15, 9220644), (18, 7683870), (20, 6915483), (27, 5122580), (30, 4610322), (36, 3841935), (45, 3073548), (54, 2561290), (60, 2305161), (90, 1536774), (108, 1280645), (135, 1024516), (180, 768387), (270, 512258), (540, 256129)]