256043760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{152407}}^1$

素因数の和:152430

約数の個数: 80

約数和(自身を含む): 907132416

約数和(自身を除く): 651088656

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, 152407, 304814, 457221, 609628, 762035, 914442, 1066849, 1219256, 1524070, 1828884, 2133698, 2286105, 2438512, 3048140, 3200547, 3657768, 4267396, 4572210, 5334245, 6096280, 6401094, 7315536, 8534792, 9144420, 10668490, 12192560, 12802188, 16002735, 17069584, 18288840, 21336980, 25604376, 32005470, 36577680, 42673960, 51208752, 64010940, 85347920, 128021880, 256043760]

約数ペア:

[(1, 256043760), (2, 128021880), (3, 85347920), (4, 64010940), (5, 51208752), (6, 42673960), (7, 36577680), (8, 32005470), (10, 25604376), (12, 21336980), (14, 18288840), (15, 17069584), (16, 16002735), (20, 12802188), (21, 12192560), (24, 10668490), (28, 9144420), (30, 8534792), (35, 7315536), (40, 6401094), (42, 6096280), (48, 5334245), (56, 4572210), (60, 4267396), (70, 3657768), (80, 3200547), (84, 3048140), (105, 2438512), (112, 2286105), (120, 2133698), (140, 1828884), (168, 1524070), (210, 1219256), (240, 1066849), (280, 914442), (336, 762035), (420, 609628), (560, 457221), (840, 304814), (1680, 152407)]