20051280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9283}}^1$

素因数の和:9305

約数の個数: 80

約数和(自身を含む): 69072960

約数和(自身を除く): 49021680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9283, 18566, 27849, 37132, 46415, 55698, 74264, 83547, 92830, 111396, 139245, 148528, 167094, 185660, 222792, 250641, 278490, 334188, 371320, 417735, 445584, 501282, 556980, 668376, 742640, 835470, 1002564, 1113960, 1253205, 1336752, 1670940, 2005128, 2227920, 2506410, 3341880, 4010256, 5012820, 6683760, 10025640, 20051280]

約数ペア:

[(1, 20051280), (2, 10025640), (3, 6683760), (4, 5012820), (5, 4010256), (6, 3341880), (8, 2506410), (9, 2227920), (10, 2005128), (12, 1670940), (15, 1336752), (16, 1253205), (18, 1113960), (20, 1002564), (24, 835470), (27, 742640), (30, 668376), (36, 556980), (40, 501282), (45, 445584), (48, 417735), (54, 371320), (60, 334188), (72, 278490), (80, 250641), (90, 222792), (108, 185660), (120, 167094), (135, 148528), (144, 139245), (180, 111396), (216, 92830), (240, 83547), (270, 74264), (360, 55698), (432, 46415), (540, 37132), (720, 27849), (1080, 18566), (2160, 9283)]