397280640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{206917}}^1$

素因数の和:206939

約数の個数: 64

約数和(自身を含む): 1266338160

約数和(自身を除く): 869057520

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, 206917, 413834, 620751, 827668, 1034585, 1241502, 1655336, 2069170, 2483004, 3103755, 3310672, 4138340, 4966008, 6207510, 6621344, 8276680, 9932016, 12415020, 13242688, 16553360, 19864032, 24830040, 26485376, 33106720, 39728064, 49660080, 66213440, 79456128, 99320160, 132426880, 198640320, 397280640]

約数ペア:

[(1, 397280640), (2, 198640320), (3, 132426880), (4, 99320160), (5, 79456128), (6, 66213440), (8, 49660080), (10, 39728064), (12, 33106720), (15, 26485376), (16, 24830040), (20, 19864032), (24, 16553360), (30, 13242688), (32, 12415020), (40, 9932016), (48, 8276680), (60, 6621344), (64, 6207510), (80, 4966008), (96, 4138340), (120, 3310672), (128, 3103755), (160, 2483004), (192, 2069170), (240, 1655336), (320, 1241502), (384, 1034585), (480, 827668), (640, 620751), (960, 413834), (1920, 206917)]