61403440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:267

約数の個数: 160

約数和(自身を含む): 178560000

約数和(自身を除く): 117156560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 29, 35, 38, 40, 56, 58, 70, 76, 80, 95, 112, 116, 133, 140, 145, 152, 190, 199, 203, 232, 266, 280, 290, 304, 380, 398, 406, 464, 532, 551, 560, 580, 665, 760, 796, 812, 995, 1015, 1064, 1102, 1160, 1330, 1393, 1520, 1592, 1624, 1990, 2030, 2128, 2204, 2320, 2660, 2755, 2786, 3184, 3248, 3781, 3857, 3980, 4060, 4408, 5320, 5510, 5572, 5771, 6965, 7562, 7714, 7960, 8120, 8816, 10640, 11020, 11144, 11542, 13930, 15124, 15428, 15920, 16240, 18905, 19285, 22040, 22288, 23084, 26467, 27860, 28855, 30248, 30856, 37810, 38570, 40397, 44080, 46168, 52934, 55720, 57710, 60496, 61712, 75620, 77140, 80794, 92336, 105868, 109649, 111440, 115420, 132335, 151240, 154280, 161588, 201985, 211736, 219298, 230840, 264670, 302480, 308560, 323176, 403970, 423472, 438596, 461680, 529340, 548245, 646352, 767543, 807940, 877192, 1058680, 1096490, 1535086, 1615880, 1754384, 2117360, 2192980, 3070172, 3231760, 3837715, 4385960, 6140344, 7675430, 8771920, 12280688, 15350860, 30701720, 61403440]

約数ペア:

[(1, 61403440), (2, 30701720), (4, 15350860), (5, 12280688), (7, 8771920), (8, 7675430), (10, 6140344), (14, 4385960), (16, 3837715), (19, 3231760), (20, 3070172), (28, 2192980), (29, 2117360), (35, 1754384), (38, 1615880), (40, 1535086), (56, 1096490), (58, 1058680), (70, 877192), (76, 807940), (80, 767543), (95, 646352), (112, 548245), (116, 529340), (133, 461680), (140, 438596), (145, 423472), (152, 403970), (190, 323176), (199, 308560), (203, 302480), (232, 264670), (266, 230840), (280, 219298), (290, 211736), (304, 201985), (380, 161588), (398, 154280), (406, 151240), (464, 132335), (532, 115420), (551, 111440), (560, 109649), (580, 105868), (665, 92336), (760, 80794), (796, 77140), (812, 75620), (995, 61712), (1015, 60496), (1064, 57710), (1102, 55720), (1160, 52934), (1330, 46168), (1393, 44080), (1520, 40397), (1592, 38570), (1624, 37810), (1990, 30856), (2030, 30248), (2128, 28855), (2204, 27860), (2320, 26467), (2660, 23084), (2755, 22288), (2786, 22040), (3184, 19285), (3248, 18905), (3781, 16240), (3857, 15920), (3980, 15428), (4060, 15124), (4408, 13930), (5320, 11542), (5510, 11144), (5572, 11020), (5771, 10640), (6965, 8816), (7562, 8120), (7714, 7960)]