159239040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:640

約数の個数: 128

約数和(自身を含む): 511362720

約数和(自身を除く): 352123680

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, 320, 384, 394, 421, 480, 591, 640, 788, 842, 960, 985, 1182, 1263, 1576, 1684, 1920, 1970, 2105, 2364, 2526, 2955, 3152, 3368, 3940, 4210, 4728, 5052, 5910, 6304, 6315, 6736, 7880, 8420, 9456, 10104, 11820, 12608, 12630, 13472, 15760, 16840, 18912, 20208, 23640, 25216, 25260, 26944, 31520, 33680, 37824, 40416, 47280, 50520, 53888, 63040, 67360, 75648, 80832, 82937, 94560, 101040, 126080, 134720, 161664, 165874, 189120, 202080, 248811, 269440, 331748, 378240, 404160, 414685, 497622, 663496, 808320, 829370, 995244, 1244055, 1326992, 1658740, 1990488, 2488110, 2653984, 3317480, 3980976, 4976220, 5307968, 6634960, 7961952, 9952440, 10615936, 13269920, 15923904, 19904880, 26539840, 31847808, 39809760, 53079680, 79619520, 159239040]

約数ペア:

[(1, 159239040), (2, 79619520), (3, 53079680), (4, 39809760), (5, 31847808), (6, 26539840), (8, 19904880), (10, 15923904), (12, 13269920), (15, 10615936), (16, 9952440), (20, 7961952), (24, 6634960), (30, 5307968), (32, 4976220), (40, 3980976), (48, 3317480), (60, 2653984), (64, 2488110), (80, 1990488), (96, 1658740), (120, 1326992), (128, 1244055), (160, 995244), (192, 829370), (197, 808320), (240, 663496), (320, 497622), (384, 414685), (394, 404160), (421, 378240), (480, 331748), (591, 269440), (640, 248811), (788, 202080), (842, 189120), (960, 165874), (985, 161664), (1182, 134720), (1263, 126080), (1576, 101040), (1684, 94560), (1920, 82937), (1970, 80832), (2105, 75648), (2364, 67360), (2526, 63040), (2955, 53888), (3152, 50520), (3368, 47280), (3940, 40416), (4210, 37824), (4728, 33680), (5052, 31520), (5910, 26944), (6304, 25260), (6315, 25216), (6736, 23640), (7880, 20208), (8420, 18912), (9456, 16840), (10104, 15760), (11820, 13472), (12608, 12630)]