71717520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{42689}}^1$

素因数の和:42712

約数の個数: 80

約数和(自身を含む): 254090880

約数和(自身を除く): 182373360

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, 42689, 85378, 128067, 170756, 213445, 256134, 298823, 341512, 426890, 512268, 597646, 640335, 683024, 853780, 896469, 1024536, 1195292, 1280670, 1494115, 1707560, 1792938, 2049072, 2390584, 2561340, 2988230, 3415120, 3585876, 4482345, 4781168, 5122680, 5976460, 7171752, 8964690, 10245360, 11952920, 14343504, 17929380, 23905840, 35858760, 71717520]

約数ペア:

[(1, 71717520), (2, 35858760), (3, 23905840), (4, 17929380), (5, 14343504), (6, 11952920), (7, 10245360), (8, 8964690), (10, 7171752), (12, 5976460), (14, 5122680), (15, 4781168), (16, 4482345), (20, 3585876), (21, 3415120), (24, 2988230), (28, 2561340), (30, 2390584), (35, 2049072), (40, 1792938), (42, 1707560), (48, 1494115), (56, 1280670), (60, 1195292), (70, 1024536), (80, 896469), (84, 853780), (105, 683024), (112, 640335), (120, 597646), (140, 512268), (168, 426890), (210, 341512), (240, 298823), (280, 256134), (336, 213445), (420, 170756), (560, 128067), (840, 85378), (1680, 42689)]