51187920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{30469}}^1$

素因数の和:30492

約数の個数: 80

約数和(自身を含む): 181357440

約数和(自身を除く): 130169520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 30469, 60938, 91407, 121876, 152345, 182814, 213283, 243752, 304690, 365628, 426566, 457035, 487504, 609380, 639849, 731256, 853132, 914070, 1066415, 1218760, 1279698, 1462512, 1706264, 1828140, 2132830, 2437520, 2559396, 3199245, 3412528, 3656280, 4265660, 5118792, 6398490, 7312560, 8531320, 10237584, 12796980, 17062640, 25593960, 51187920]

約数ペア:

[(1, 51187920), (2, 25593960), (3, 17062640), (4, 12796980), (5, 10237584), (6, 8531320), (7, 7312560), (8, 6398490), (10, 5118792), (12, 4265660), (14, 3656280), (15, 3412528), (16, 3199245), (20, 2559396), (21, 2437520), (24, 2132830), (28, 1828140), (30, 1706264), (35, 1462512), (40, 1279698), (42, 1218760), (48, 1066415), (56, 914070), (60, 853132), (70, 731256), (80, 639849), (84, 609380), (105, 487504), (112, 457035), (120, 426566), (140, 365628), (168, 304690), (210, 243752), (240, 213283), (280, 182814), (336, 152345), (420, 121876), (560, 91407), (840, 60938), (1680, 30469)]