77737360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:488

約数の個数: 80

約数和(自身を含む): 191952000

約数和(自身を除く): 114214640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 199, 257, 304, 380, 398, 514, 760, 796, 995, 1028, 1285, 1520, 1592, 1990, 2056, 2570, 3184, 3781, 3980, 4112, 4883, 5140, 7562, 7960, 9766, 10280, 15124, 15920, 18905, 19532, 20560, 24415, 30248, 37810, 39064, 48830, 51143, 60496, 75620, 78128, 97660, 102286, 151240, 195320, 204572, 255715, 302480, 390640, 409144, 511430, 818288, 971717, 1022860, 1943434, 2045720, 3886868, 4091440, 4858585, 7773736, 9717170, 15547472, 19434340, 38868680, 77737360]

約数ペア:

[(1, 77737360), (2, 38868680), (4, 19434340), (5, 15547472), (8, 9717170), (10, 7773736), (16, 4858585), (19, 4091440), (20, 3886868), (38, 2045720), (40, 1943434), (76, 1022860), (80, 971717), (95, 818288), (152, 511430), (190, 409144), (199, 390640), (257, 302480), (304, 255715), (380, 204572), (398, 195320), (514, 151240), (760, 102286), (796, 97660), (995, 78128), (1028, 75620), (1285, 60496), (1520, 51143), (1592, 48830), (1990, 39064), (2056, 37810), (2570, 30248), (3184, 24415), (3781, 20560), (3980, 19532), (4112, 18905), (4883, 15920), (5140, 15124), (7562, 10280), (7960, 9766)]