78342320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:275

約数の個数: 160

約数和(自身を含む): 226176000

約数和(自身を除く): 147833680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 37, 38, 40, 56, 70, 74, 76, 80, 95, 112, 133, 140, 148, 152, 185, 190, 199, 259, 266, 280, 296, 304, 370, 380, 398, 518, 532, 560, 592, 665, 703, 740, 760, 796, 995, 1036, 1064, 1295, 1330, 1393, 1406, 1480, 1520, 1592, 1990, 2072, 2128, 2590, 2660, 2786, 2812, 2960, 3184, 3515, 3781, 3980, 4144, 4921, 5180, 5320, 5572, 5624, 6965, 7030, 7363, 7562, 7960, 9842, 10360, 10640, 11144, 11248, 13930, 14060, 14726, 15124, 15920, 18905, 19684, 20720, 22288, 24605, 26467, 27860, 28120, 29452, 30248, 36815, 37810, 39368, 49210, 51541, 52934, 55720, 56240, 58904, 60496, 73630, 75620, 78736, 98420, 103082, 105868, 111440, 117808, 132335, 139897, 147260, 151240, 196840, 206164, 211736, 257705, 264670, 279794, 294520, 302480, 393680, 412328, 423472, 515410, 529340, 559588, 589040, 699485, 824656, 979279, 1030820, 1058680, 1119176, 1398970, 1958558, 2061640, 2117360, 2238352, 2797940, 3917116, 4123280, 4896395, 5595880, 7834232, 9792790, 11191760, 15668464, 19585580, 39171160, 78342320]

約数ペア:

[(1, 78342320), (2, 39171160), (4, 19585580), (5, 15668464), (7, 11191760), (8, 9792790), (10, 7834232), (14, 5595880), (16, 4896395), (19, 4123280), (20, 3917116), (28, 2797940), (35, 2238352), (37, 2117360), (38, 2061640), (40, 1958558), (56, 1398970), (70, 1119176), (74, 1058680), (76, 1030820), (80, 979279), (95, 824656), (112, 699485), (133, 589040), (140, 559588), (148, 529340), (152, 515410), (185, 423472), (190, 412328), (199, 393680), (259, 302480), (266, 294520), (280, 279794), (296, 264670), (304, 257705), (370, 211736), (380, 206164), (398, 196840), (518, 151240), (532, 147260), (560, 139897), (592, 132335), (665, 117808), (703, 111440), (740, 105868), (760, 103082), (796, 98420), (995, 78736), (1036, 75620), (1064, 73630), (1295, 60496), (1330, 58904), (1393, 56240), (1406, 55720), (1480, 52934), (1520, 51541), (1592, 49210), (1990, 39368), (2072, 37810), (2128, 36815), (2590, 30248), (2660, 29452), (2786, 28120), (2812, 27860), (2960, 26467), (3184, 24605), (3515, 22288), (3781, 20720), (3980, 19684), (4144, 18905), (4921, 15920), (5180, 15124), (5320, 14726), (5572, 14060), (5624, 13930), (6965, 11248), (7030, 11144), (7363, 10640), (7562, 10360), (7960, 9842)]