178765680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:431

約数の個数: 160

約数和(自身を含む): 589248000

約数和(自身を除く): 410482320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 197, 199, 228, 240, 285, 304, 380, 394, 398, 456, 570, 591, 597, 760, 788, 796, 912, 985, 995, 1140, 1182, 1194, 1520, 1576, 1592, 1970, 1990, 2280, 2364, 2388, 2955, 2985, 3152, 3184, 3743, 3781, 3940, 3980, 4560, 4728, 4776, 5910, 5970, 7486, 7562, 7880, 7960, 9456, 9552, 11229, 11343, 11820, 11940, 14972, 15124, 15760, 15920, 18715, 18905, 22458, 22686, 23640, 23880, 29944, 30248, 37430, 37810, 39203, 44916, 45372, 47280, 47760, 56145, 56715, 59888, 60496, 74860, 75620, 78406, 89832, 90744, 112290, 113430, 117609, 149720, 151240, 156812, 179664, 181488, 196015, 224580, 226860, 235218, 299440, 302480, 313624, 392030, 449160, 453720, 470436, 588045, 627248, 744857, 784060, 898320, 907440, 940872, 1176090, 1489714, 1568120, 1881744, 2234571, 2352180, 2979428, 3136240, 3724285, 4469142, 4704360, 5958856, 7448570, 8938284, 9408720, 11172855, 11917712, 14897140, 17876568, 22345710, 29794280, 35753136, 44691420, 59588560, 89382840, 178765680]

約数ペア:

[(1, 178765680), (2, 89382840), (3, 59588560), (4, 44691420), (5, 35753136), (6, 29794280), (8, 22345710), (10, 17876568), (12, 14897140), (15, 11917712), (16, 11172855), (19, 9408720), (20, 8938284), (24, 7448570), (30, 5958856), (38, 4704360), (40, 4469142), (48, 3724285), (57, 3136240), (60, 2979428), (76, 2352180), (80, 2234571), (95, 1881744), (114, 1568120), (120, 1489714), (152, 1176090), (190, 940872), (197, 907440), (199, 898320), (228, 784060), (240, 744857), (285, 627248), (304, 588045), (380, 470436), (394, 453720), (398, 449160), (456, 392030), (570, 313624), (591, 302480), (597, 299440), (760, 235218), (788, 226860), (796, 224580), (912, 196015), (985, 181488), (995, 179664), (1140, 156812), (1182, 151240), (1194, 149720), (1520, 117609), (1576, 113430), (1592, 112290), (1970, 90744), (1990, 89832), (2280, 78406), (2364, 75620), (2388, 74860), (2955, 60496), (2985, 59888), (3152, 56715), (3184, 56145), (3743, 47760), (3781, 47280), (3940, 45372), (3980, 44916), (4560, 39203), (4728, 37810), (4776, 37430), (5910, 30248), (5970, 29944), (7486, 23880), (7562, 23640), (7880, 22686), (7960, 22458), (9456, 18905), (9552, 18715), (11229, 15920), (11343, 15760), (11820, 15124), (11940, 14972)]