20388240

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9439}}^1$

素因数の和:9461

約数の個数: 80

約数和(自身を含む): 70233600

約数和(自身を除く): 49845360

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, 9439, 18878, 28317, 37756, 47195, 56634, 75512, 84951, 94390, 113268, 141585, 151024, 169902, 188780, 226536, 254853, 283170, 339804, 377560, 424755, 453072, 509706, 566340, 679608, 755120, 849510, 1019412, 1132680, 1274265, 1359216, 1699020, 2038824, 2265360, 2548530, 3398040, 4077648, 5097060, 6796080, 10194120, 20388240]

約数ペア:

[(1, 20388240), (2, 10194120), (3, 6796080), (4, 5097060), (5, 4077648), (6, 3398040), (8, 2548530), (9, 2265360), (10, 2038824), (12, 1699020), (15, 1359216), (16, 1274265), (18, 1132680), (20, 1019412), (24, 849510), (27, 755120), (30, 679608), (36, 566340), (40, 509706), (45, 453072), (48, 424755), (54, 377560), (60, 339804), (72, 283170), (80, 254853), (90, 226536), (108, 188780), (120, 169902), (135, 151024), (144, 141585), (180, 113268), (216, 94390), (240, 84951), (270, 75512), (360, 56634), (432, 47195), (540, 37756), (720, 28317), (1080, 18878), (2160, 9439)]