31402728

素因数分解:

$2^3\times 3^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:98

約数の個数: 240

約数和(自身を含む): 109248480

約数和(自身を除く): 77845752

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 27, 28, 36, 42, 43, 46, 49, 54, 56, 63, 69, 72, 81, 84, 86, 92, 98, 108, 126, 129, 138, 147, 161, 162, 168, 172, 184, 189, 196, 207, 216, 252, 258, 276, 294, 301, 322, 324, 344, 378, 387, 392, 414, 441, 483, 504, 516, 552, 567, 588, 602, 621, 644, 648, 756, 774, 828, 882, 903, 966, 989, 1032, 1127, 1134, 1161, 1176, 1204, 1242, 1288, 1323, 1449, 1512, 1548, 1656, 1764, 1806, 1863, 1932, 1978, 2107, 2254, 2268, 2322, 2408, 2484, 2646, 2709, 2898, 2967, 3096, 3381, 3483, 3528, 3612, 3726, 3864, 3956, 3969, 4214, 4347, 4508, 4536, 4644, 4968, 5292, 5418, 5796, 5934, 6321, 6762, 6923, 6966, 7224, 7452, 7912, 7938, 8127, 8428, 8694, 8901, 9016, 9288, 10143, 10584, 10836, 11592, 11868, 12642, 13041, 13524, 13846, 13932, 14904, 15876, 16254, 16856, 17388, 17802, 18963, 20286, 20769, 21672, 23736, 24381, 25284, 26082, 26703, 27048, 27692, 27864, 30429, 31752, 32508, 34776, 35604, 37926, 40572, 41538, 48461, 48762, 50568, 52164, 53406, 55384, 56889, 60858, 62307, 65016, 71208, 75852, 80109, 81144, 83076, 91287, 96922, 97524, 104328, 106812, 113778, 121716, 124614, 145383, 151704, 160218, 166152, 170667, 182574, 186921, 193844, 195048, 213624, 227556, 243432, 249228, 290766, 320436, 341334, 365148, 373842, 387688, 436149, 455112, 498456, 560763, 581532, 640872, 682668, 730296, 747684, 872298, 1121526, 1163064, 1308447, 1365336, 1495368, 1744596, 2243052, 2616894, 3489192, 3925341, 4486104, 5233788, 7850682, 10467576, 15701364, 31402728]

約数ペア:

[(1, 31402728), (2, 15701364), (3, 10467576), (4, 7850682), (6, 5233788), (7, 4486104), (8, 3925341), (9, 3489192), (12, 2616894), (14, 2243052), (18, 1744596), (21, 1495368), (23, 1365336), (24, 1308447), (27, 1163064), (28, 1121526), (36, 872298), (42, 747684), (43, 730296), (46, 682668), (49, 640872), (54, 581532), (56, 560763), (63, 498456), (69, 455112), (72, 436149), (81, 387688), (84, 373842), (86, 365148), (92, 341334), (98, 320436), (108, 290766), (126, 249228), (129, 243432), (138, 227556), (147, 213624), (161, 195048), (162, 193844), (168, 186921), (172, 182574), (184, 170667), (189, 166152), (196, 160218), (207, 151704), (216, 145383), (252, 124614), (258, 121716), (276, 113778), (294, 106812), (301, 104328), (322, 97524), (324, 96922), (344, 91287), (378, 83076), (387, 81144), (392, 80109), (414, 75852), (441, 71208), (483, 65016), (504, 62307), (516, 60858), (552, 56889), (567, 55384), (588, 53406), (602, 52164), (621, 50568), (644, 48762), (648, 48461), (756, 41538), (774, 40572), (828, 37926), (882, 35604), (903, 34776), (966, 32508), (989, 31752), (1032, 30429), (1127, 27864), (1134, 27692), (1161, 27048), (1176, 26703), (1204, 26082), (1242, 25284), (1288, 24381), (1323, 23736), (1449, 21672), (1512, 20769), (1548, 20286), (1656, 18963), (1764, 17802), (1806, 17388), (1863, 16856), (1932, 16254), (1978, 15876), (2107, 14904), (2254, 13932), (2268, 13846), (2322, 13524), (2408, 13041), (2484, 12642), (2646, 11868), (2709, 11592), (2898, 10836), (2967, 10584), (3096, 10143), (3381, 9288), (3483, 9016), (3528, 8901), (3612, 8694), (3726, 8428), (3864, 8127), (3956, 7938), (3969, 7912), (4214, 7452), (4347, 7224), (4508, 6966), (4536, 6923), (4644, 6762), (4968, 6321), (5292, 5934), (5418, 5796)]