261780246

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1$

素因数の和:148

約数の個数: 216

約数和(自身を含む): 764356320

約数和(自身を除く): 502576074

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 34, 39, 42, 49, 51, 63, 78, 79, 91, 98, 102, 117, 119, 126, 147, 153, 158, 182, 221, 234, 237, 238, 273, 289, 294, 306, 357, 441, 442, 474, 546, 553, 578, 637, 663, 711, 714, 819, 833, 867, 882, 1027, 1071, 1106, 1274, 1326, 1343, 1422, 1547, 1638, 1659, 1666, 1734, 1911, 1989, 2023, 2054, 2142, 2499, 2601, 2686, 3081, 3094, 3318, 3757, 3822, 3871, 3978, 4029, 4046, 4641, 4977, 4998, 5202, 5733, 6069, 6162, 7189, 7497, 7514, 7742, 8058, 9243, 9282, 9401, 9954, 10829, 11271, 11466, 11613, 12087, 12138, 13923, 14161, 14378, 14994, 17459, 18207, 18486, 18802, 21567, 21658, 22542, 22831, 23226, 24174, 26299, 27846, 28203, 28322, 32487, 33813, 34839, 34918, 36414, 42483, 43134, 45662, 50323, 52377, 52598, 56406, 64701, 64974, 65807, 67626, 68493, 69678, 78897, 84609, 84966, 97461, 100646, 104754, 122213, 127449, 129402, 131614, 136986, 150969, 157131, 157794, 159817, 169218, 184093, 194922, 197421, 205479, 236691, 244426, 254898, 296803, 301938, 314262, 319634, 366639, 368186, 394842, 410958, 452907, 473382, 479451, 552279, 592263, 593606, 733278, 855491, 890409, 905814, 958902, 1099917, 1104558, 1118719, 1184526, 1438353, 1656837, 1710982, 1780818, 2077621, 2199834, 2237438, 2566473, 2671227, 2876706, 3313674, 3356157, 4155242, 5132946, 5342454, 6232863, 6712314, 7699419, 10068471, 12465726, 14543347, 15398838, 18698589, 20136942, 29086694, 37397178, 43630041, 87260082, 130890123, 261780246]

約数ペア:

[(1, 261780246), (2, 130890123), (3, 87260082), (6, 43630041), (7, 37397178), (9, 29086694), (13, 20136942), (14, 18698589), (17, 15398838), (18, 14543347), (21, 12465726), (26, 10068471), (34, 7699419), (39, 6712314), (42, 6232863), (49, 5342454), (51, 5132946), (63, 4155242), (78, 3356157), (79, 3313674), (91, 2876706), (98, 2671227), (102, 2566473), (117, 2237438), (119, 2199834), (126, 2077621), (147, 1780818), (153, 1710982), (158, 1656837), (182, 1438353), (221, 1184526), (234, 1118719), (237, 1104558), (238, 1099917), (273, 958902), (289, 905814), (294, 890409), (306, 855491), (357, 733278), (441, 593606), (442, 592263), (474, 552279), (546, 479451), (553, 473382), (578, 452907), (637, 410958), (663, 394842), (711, 368186), (714, 366639), (819, 319634), (833, 314262), (867, 301938), (882, 296803), (1027, 254898), (1071, 244426), (1106, 236691), (1274, 205479), (1326, 197421), (1343, 194922), (1422, 184093), (1547, 169218), (1638, 159817), (1659, 157794), (1666, 157131), (1734, 150969), (1911, 136986), (1989, 131614), (2023, 129402), (2054, 127449), (2142, 122213), (2499, 104754), (2601, 100646), (2686, 97461), (3081, 84966), (3094, 84609), (3318, 78897), (3757, 69678), (3822, 68493), (3871, 67626), (3978, 65807), (4029, 64974), (4046, 64701), (4641, 56406), (4977, 52598), (4998, 52377), (5202, 50323), (5733, 45662), (6069, 43134), (6162, 42483), (7189, 36414), (7497, 34918), (7514, 34839), (7742, 33813), (8058, 32487), (9243, 28322), (9282, 28203), (9401, 27846), (9954, 26299), (10829, 24174), (11271, 23226), (11466, 22831), (11613, 22542), (12087, 21658), (12138, 21567), (13923, 18802), (14161, 18486), (14378, 18207), (14994, 17459)]