18871680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{9829}}^1$

素因数の和:9851

約数の個数: 64

約数和(自身を含む): 60159600

約数和(自身を除く): 41287920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 9829, 19658, 29487, 39316, 49145, 58974, 78632, 98290, 117948, 147435, 157264, 196580, 235896, 294870, 314528, 393160, 471792, 589740, 629056, 786320, 943584, 1179480, 1258112, 1572640, 1887168, 2358960, 3145280, 3774336, 4717920, 6290560, 9435840, 18871680]

約数ペア:

[(1, 18871680), (2, 9435840), (3, 6290560), (4, 4717920), (5, 3774336), (6, 3145280), (8, 2358960), (10, 1887168), (12, 1572640), (15, 1258112), (16, 1179480), (20, 943584), (24, 786320), (30, 629056), (32, 589740), (40, 471792), (48, 393160), (60, 314528), (64, 294870), (80, 235896), (96, 196580), (120, 157264), (128, 147435), (160, 117948), (192, 98290), (240, 78632), (320, 58974), (384, 49145), (480, 39316), (640, 29487), (960, 19658), (1920, 9829)]