401888640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{209317}}^1$

素因数の和:209339

約数の個数: 64

約数和(自身を含む): 1281026160

約数和(自身を除く): 879137520

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, 209317, 418634, 627951, 837268, 1046585, 1255902, 1674536, 2093170, 2511804, 3139755, 3349072, 4186340, 5023608, 6279510, 6698144, 8372680, 10047216, 12559020, 13396288, 16745360, 20094432, 25118040, 26792576, 33490720, 40188864, 50236080, 66981440, 80377728, 100472160, 133962880, 200944320, 401888640]

約数ペア:

[(1, 401888640), (2, 200944320), (3, 133962880), (4, 100472160), (5, 80377728), (6, 66981440), (8, 50236080), (10, 40188864), (12, 33490720), (15, 26792576), (16, 25118040), (20, 20094432), (24, 16745360), (30, 13396288), (32, 12559020), (40, 10047216), (48, 8372680), (60, 6698144), (64, 6279510), (80, 5023608), (96, 4186340), (120, 3349072), (128, 3139755), (160, 2511804), (192, 2093170), (240, 1674536), (320, 1255902), (384, 1046585), (480, 837268), (640, 627951), (960, 418634), (1920, 209317)]