428160

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{223}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 1370880

約数和(自身を除く): 942720

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, 223, 240, 320, 384, 446, 480, 640, 669, 892, 960, 1115, 1338, 1784, 1920, 2230, 2676, 3345, 3568, 4460, 5352, 6690, 7136, 8920, 10704, 13380, 14272, 17840, 21408, 26760, 28544, 35680, 42816, 53520, 71360, 85632, 107040, 142720, 214080, 428160]

約数ペア:

[(1, 428160), (2, 214080), (3, 142720), (4, 107040), (5, 85632), (6, 71360), (8, 53520), (10, 42816), (12, 35680), (15, 28544), (16, 26760), (20, 21408), (24, 17840), (30, 14272), (32, 13380), (40, 10704), (48, 8920), (60, 7136), (64, 6690), (80, 5352), (96, 4460), (120, 3568), (128, 3345), (160, 2676), (192, 2230), (223, 1920), (240, 1784), (320, 1338), (384, 1115), (446, 960), (480, 892), (640, 669)]