179143920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:640

約数の個数: 160

約数和(自身を含む): 621656640

約数和(自身を除く): 442512720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 197, 216, 240, 270, 360, 394, 421, 432, 540, 591, 720, 788, 842, 985, 1080, 1182, 1263, 1576, 1684, 1773, 1970, 2105, 2160, 2364, 2526, 2955, 3152, 3368, 3546, 3789, 3940, 4210, 4728, 5052, 5319, 5910, 6315, 6736, 7092, 7578, 7880, 8420, 8865, 9456, 10104, 10638, 11367, 11820, 12630, 14184, 15156, 15760, 16840, 17730, 18945, 20208, 21276, 22734, 23640, 25260, 26595, 28368, 30312, 33680, 35460, 37890, 42552, 45468, 47280, 50520, 53190, 56835, 60624, 70920, 75780, 82937, 85104, 90936, 101040, 106380, 113670, 141840, 151560, 165874, 181872, 212760, 227340, 248811, 303120, 331748, 414685, 425520, 454680, 497622, 663496, 746433, 829370, 909360, 995244, 1244055, 1326992, 1492866, 1658740, 1990488, 2239299, 2488110, 2985732, 3317480, 3732165, 3980976, 4478598, 4976220, 5971464, 6634960, 7464330, 8957196, 9952440, 11196495, 11942928, 14928660, 17914392, 19904880, 22392990, 29857320, 35828784, 44785980, 59714640, 89571960, 179143920]

約数ペア:

[(1, 179143920), (2, 89571960), (3, 59714640), (4, 44785980), (5, 35828784), (6, 29857320), (8, 22392990), (9, 19904880), (10, 17914392), (12, 14928660), (15, 11942928), (16, 11196495), (18, 9952440), (20, 8957196), (24, 7464330), (27, 6634960), (30, 5971464), (36, 4976220), (40, 4478598), (45, 3980976), (48, 3732165), (54, 3317480), (60, 2985732), (72, 2488110), (80, 2239299), (90, 1990488), (108, 1658740), (120, 1492866), (135, 1326992), (144, 1244055), (180, 995244), (197, 909360), (216, 829370), (240, 746433), (270, 663496), (360, 497622), (394, 454680), (421, 425520), (432, 414685), (540, 331748), (591, 303120), (720, 248811), (788, 227340), (842, 212760), (985, 181872), (1080, 165874), (1182, 151560), (1263, 141840), (1576, 113670), (1684, 106380), (1773, 101040), (1970, 90936), (2105, 85104), (2160, 82937), (2364, 75780), (2526, 70920), (2955, 60624), (3152, 56835), (3368, 53190), (3546, 50520), (3789, 47280), (3940, 45468), (4210, 42552), (4728, 37890), (5052, 35460), (5319, 33680), (5910, 30312), (6315, 28368), (6736, 26595), (7092, 25260), (7578, 23640), (7880, 22734), (8420, 21276), (8865, 20208), (9456, 18945), (10104, 17730), (10638, 16840), (11367, 15760), (11820, 15156), (12630, 14184)]