81381456

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:410

約数の個数: 160

約数和(自身を含む): 258177920

約数和(自身を除く): 176796464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 43, 48, 52, 54, 72, 78, 86, 104, 108, 117, 129, 144, 156, 172, 208, 216, 234, 258, 312, 337, 344, 351, 387, 432, 468, 516, 559, 624, 674, 688, 702, 774, 936, 1011, 1032, 1118, 1161, 1348, 1404, 1548, 1677, 1872, 2022, 2064, 2236, 2322, 2696, 2808, 3033, 3096, 3354, 4044, 4381, 4472, 4644, 5031, 5392, 5616, 6066, 6192, 6708, 8088, 8762, 8944, 9099, 9288, 10062, 12132, 13143, 13416, 14491, 15093, 16176, 17524, 18198, 18576, 20124, 24264, 26286, 26832, 28982, 30186, 35048, 36396, 39429, 40248, 43473, 48528, 52572, 57964, 60372, 70096, 72792, 78858, 80496, 86946, 105144, 115928, 118287, 120744, 130419, 145584, 157716, 173892, 188383, 210288, 231856, 236574, 241488, 260838, 315432, 347784, 376766, 391257, 473148, 521676, 565149, 630864, 695568, 753532, 782514, 946296, 1043352, 1130298, 1507064, 1565028, 1695447, 1892592, 2086704, 2260596, 3014128, 3130056, 3390894, 4521192, 5086341, 6260112, 6781788, 9042384, 10172682, 13563576, 20345364, 27127152, 40690728, 81381456]

約数ペア:

[(1, 81381456), (2, 40690728), (3, 27127152), (4, 20345364), (6, 13563576), (8, 10172682), (9, 9042384), (12, 6781788), (13, 6260112), (16, 5086341), (18, 4521192), (24, 3390894), (26, 3130056), (27, 3014128), (36, 2260596), (39, 2086704), (43, 1892592), (48, 1695447), (52, 1565028), (54, 1507064), (72, 1130298), (78, 1043352), (86, 946296), (104, 782514), (108, 753532), (117, 695568), (129, 630864), (144, 565149), (156, 521676), (172, 473148), (208, 391257), (216, 376766), (234, 347784), (258, 315432), (312, 260838), (337, 241488), (344, 236574), (351, 231856), (387, 210288), (432, 188383), (468, 173892), (516, 157716), (559, 145584), (624, 130419), (674, 120744), (688, 118287), (702, 115928), (774, 105144), (936, 86946), (1011, 80496), (1032, 78858), (1118, 72792), (1161, 70096), (1348, 60372), (1404, 57964), (1548, 52572), (1677, 48528), (1872, 43473), (2022, 40248), (2064, 39429), (2236, 36396), (2322, 35048), (2696, 30186), (2808, 28982), (3033, 26832), (3096, 26286), (3354, 24264), (4044, 20124), (4381, 18576), (4472, 18198), (4644, 17524), (5031, 16176), (5392, 15093), (5616, 14491), (6066, 13416), (6192, 13143), (6708, 12132), (8088, 10062), (8762, 9288), (8944, 9099)]