686127360

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{907}}^1$

素因数の和:1128

約数の個数: 144

約数和(自身を含む): 2204870976

約数和(自身を除く): 1518743616

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, 197, 240, 256, 320, 384, 394, 480, 591, 640, 768, 788, 907, 960, 985, 1182, 1280, 1576, 1814, 1920, 1970, 2364, 2721, 2955, 3152, 3628, 3840, 3940, 4535, 4728, 5442, 5910, 6304, 7256, 7880, 9070, 9456, 10884, 11820, 12608, 13605, 14512, 15760, 18140, 18912, 21768, 23640, 25216, 27210, 29024, 31520, 36280, 37824, 43536, 47280, 50432, 54420, 58048, 63040, 72560, 75648, 87072, 94560, 108840, 116096, 126080, 145120, 151296, 174144, 178679, 189120, 217680, 232192, 252160, 290240, 348288, 357358, 378240, 435360, 536037, 580480, 696576, 714716, 756480, 870720, 893395, 1072074, 1160960, 1429432, 1741440, 1786790, 2144148, 2680185, 2858864, 3482880, 3573580, 4288296, 5360370, 5717728, 7147160, 8576592, 10720740, 11435456, 14294320, 17153184, 21441480, 22870912, 28588640, 34306368, 42882960, 45741824, 57177280, 68612736, 85765920, 114354560, 137225472, 171531840, 228709120, 343063680, 686127360]

約数ペア:

[(1, 686127360), (2, 343063680), (3, 228709120), (4, 171531840), (5, 137225472), (6, 114354560), (8, 85765920), (10, 68612736), (12, 57177280), (15, 45741824), (16, 42882960), (20, 34306368), (24, 28588640), (30, 22870912), (32, 21441480), (40, 17153184), (48, 14294320), (60, 11435456), (64, 10720740), (80, 8576592), (96, 7147160), (120, 5717728), (128, 5360370), (160, 4288296), (192, 3573580), (197, 3482880), (240, 2858864), (256, 2680185), (320, 2144148), (384, 1786790), (394, 1741440), (480, 1429432), (591, 1160960), (640, 1072074), (768, 893395), (788, 870720), (907, 756480), (960, 714716), (985, 696576), (1182, 580480), (1280, 536037), (1576, 435360), (1814, 378240), (1920, 357358), (1970, 348288), (2364, 290240), (2721, 252160), (2955, 232192), (3152, 217680), (3628, 189120), (3840, 178679), (3940, 174144), (4535, 151296), (4728, 145120), (5442, 126080), (5910, 116096), (6304, 108840), (7256, 94560), (7880, 87072), (9070, 75648), (9456, 72560), (10884, 63040), (11820, 58048), (12608, 54420), (13605, 50432), (14512, 47280), (15760, 43536), (18140, 37824), (18912, 36280), (21768, 31520), (23640, 29024), (25216, 27210)]