203456640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{105967}}^1$

素因数の和:105989

約数の個数: 64

約数和(自身を含む): 648524160

約数和(自身を除く): 445067520

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, 105967, 211934, 317901, 423868, 529835, 635802, 847736, 1059670, 1271604, 1589505, 1695472, 2119340, 2543208, 3179010, 3390944, 4238680, 5086416, 6358020, 6781888, 8477360, 10172832, 12716040, 13563776, 16954720, 20345664, 25432080, 33909440, 40691328, 50864160, 67818880, 101728320, 203456640]

約数ペア:

[(1, 203456640), (2, 101728320), (3, 67818880), (4, 50864160), (5, 40691328), (6, 33909440), (8, 25432080), (10, 20345664), (12, 16954720), (15, 13563776), (16, 12716040), (20, 10172832), (24, 8477360), (30, 6781888), (32, 6358020), (40, 5086416), (48, 4238680), (60, 3390944), (64, 3179010), (80, 2543208), (96, 2119340), (120, 1695472), (128, 1589505), (160, 1271604), (192, 1059670), (240, 847736), (320, 635802), (384, 529835), (480, 423868), (640, 317901), (960, 211934), (1920, 105967)]