278267160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:222

約数の個数: 192

約数和(自身を含む): 915148800

約数和(自身を除く): 636881640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 57, 60, 62, 76, 93, 95, 114, 120, 124, 127, 152, 155, 186, 190, 228, 248, 254, 285, 310, 372, 380, 381, 456, 465, 508, 570, 589, 620, 635, 744, 760, 762, 930, 961, 1016, 1140, 1178, 1240, 1270, 1524, 1767, 1860, 1905, 1922, 2280, 2356, 2413, 2540, 2883, 2945, 3048, 3534, 3720, 3810, 3844, 3937, 4712, 4805, 4826, 5080, 5766, 5890, 7068, 7239, 7620, 7688, 7874, 8835, 9610, 9652, 11532, 11780, 11811, 12065, 14136, 14415, 14478, 15240, 15748, 17670, 18259, 19220, 19304, 19685, 23064, 23560, 23622, 24130, 28830, 28956, 31496, 35340, 36195, 36518, 38440, 39370, 47244, 48260, 54777, 57660, 57912, 59055, 70680, 72390, 73036, 74803, 78740, 91295, 94488, 96520, 109554, 115320, 118110, 122047, 144780, 146072, 149606, 157480, 182590, 219108, 224409, 236220, 244094, 273885, 289560, 299212, 365180, 366141, 374015, 438216, 448818, 472440, 488188, 547770, 598424, 610235, 730360, 732282, 748030, 897636, 976376, 1095540, 1122045, 1220470, 1464564, 1496060, 1795272, 1830705, 2191080, 2244090, 2318893, 2440940, 2929128, 2992120, 3661410, 4488180, 4637786, 4881880, 6956679, 7322820, 8976360, 9275572, 11594465, 13913358, 14645640, 18551144, 23188930, 27826716, 34783395, 46377860, 55653432, 69566790, 92755720, 139133580, 278267160]

約数ペア:

[(1, 278267160), (2, 139133580), (3, 92755720), (4, 69566790), (5, 55653432), (6, 46377860), (8, 34783395), (10, 27826716), (12, 23188930), (15, 18551144), (19, 14645640), (20, 13913358), (24, 11594465), (30, 9275572), (31, 8976360), (38, 7322820), (40, 6956679), (57, 4881880), (60, 4637786), (62, 4488180), (76, 3661410), (93, 2992120), (95, 2929128), (114, 2440940), (120, 2318893), (124, 2244090), (127, 2191080), (152, 1830705), (155, 1795272), (186, 1496060), (190, 1464564), (228, 1220470), (248, 1122045), (254, 1095540), (285, 976376), (310, 897636), (372, 748030), (380, 732282), (381, 730360), (456, 610235), (465, 598424), (508, 547770), (570, 488188), (589, 472440), (620, 448818), (635, 438216), (744, 374015), (760, 366141), (762, 365180), (930, 299212), (961, 289560), (1016, 273885), (1140, 244094), (1178, 236220), (1240, 224409), (1270, 219108), (1524, 182590), (1767, 157480), (1860, 149606), (1905, 146072), (1922, 144780), (2280, 122047), (2356, 118110), (2413, 115320), (2540, 109554), (2883, 96520), (2945, 94488), (3048, 91295), (3534, 78740), (3720, 74803), (3810, 73036), (3844, 72390), (3937, 70680), (4712, 59055), (4805, 57912), (4826, 57660), (5080, 54777), (5766, 48260), (5890, 47244), (7068, 39370), (7239, 38440), (7620, 36518), (7688, 36195), (7874, 35340), (8835, 31496), (9610, 28956), (9652, 28830), (11532, 24130), (11780, 23622), (11811, 23560), (12065, 23064), (14136, 19685), (14415, 19304), (14478, 19220), (15240, 18259), (15748, 17670)]