81313344

素因数分解:

$2^6\times 3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 252

約数和(自身を含む): 281568144

約数和(自身を除く): 200254800

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 43, 48, 49, 56, 63, 64, 67, 72, 84, 86, 96, 98, 112, 126, 129, 134, 144, 147, 168, 172, 192, 196, 201, 224, 252, 258, 268, 288, 294, 301, 336, 344, 387, 392, 402, 441, 448, 469, 504, 516, 536, 576, 588, 602, 603, 672, 688, 774, 784, 804, 882, 903, 938, 1008, 1032, 1072, 1176, 1204, 1206, 1344, 1376, 1407, 1548, 1568, 1608, 1764, 1806, 1876, 2016, 2064, 2107, 2144, 2352, 2408, 2412, 2709, 2752, 2814, 2881, 3096, 3136, 3216, 3283, 3528, 3612, 3752, 4032, 4128, 4214, 4221, 4288, 4704, 4816, 4824, 5418, 5628, 5762, 6192, 6321, 6432, 6566, 7056, 7224, 7504, 8256, 8428, 8442, 8643, 9408, 9632, 9648, 9849, 10836, 11256, 11524, 12384, 12642, 12864, 13132, 14112, 14448, 15008, 16856, 16884, 17286, 18963, 19264, 19296, 19698, 20167, 21672, 22512, 23048, 24768, 25284, 25929, 26264, 28224, 28896, 29547, 30016, 33712, 33768, 34572, 37926, 38592, 39396, 40334, 43344, 45024, 46096, 50568, 51858, 52528, 57792, 59094, 60501, 67424, 67536, 69144, 75852, 78792, 80668, 86688, 90048, 92192, 101136, 103716, 105056, 118188, 121002, 134848, 135072, 138288, 141169, 151704, 157584, 161336, 173376, 181503, 184384, 202272, 207432, 210112, 236376, 242004, 270144, 276576, 282338, 303408, 315168, 322672, 363006, 404544, 414864, 423507, 472752, 484008, 553152, 564676, 606816, 630336, 645344, 726012, 829728, 847014, 945504, 968016, 1129352, 1213632, 1270521, 1290688, 1452024, 1659456, 1694028, 1891008, 1936032, 2258704, 2541042, 2904048, 3388056, 3872064, 4517408, 5082084, 5808096, 6776112, 9034816, 10164168, 11616192, 13552224, 20328336, 27104448, 40656672, 81313344]

約数ペア:

[(1, 81313344), (2, 40656672), (3, 27104448), (4, 20328336), (6, 13552224), (7, 11616192), (8, 10164168), (9, 9034816), (12, 6776112), (14, 5808096), (16, 5082084), (18, 4517408), (21, 3872064), (24, 3388056), (28, 2904048), (32, 2541042), (36, 2258704), (42, 1936032), (43, 1891008), (48, 1694028), (49, 1659456), (56, 1452024), (63, 1290688), (64, 1270521), (67, 1213632), (72, 1129352), (84, 968016), (86, 945504), (96, 847014), (98, 829728), (112, 726012), (126, 645344), (129, 630336), (134, 606816), (144, 564676), (147, 553152), (168, 484008), (172, 472752), (192, 423507), (196, 414864), (201, 404544), (224, 363006), (252, 322672), (258, 315168), (268, 303408), (288, 282338), (294, 276576), (301, 270144), (336, 242004), (344, 236376), (387, 210112), (392, 207432), (402, 202272), (441, 184384), (448, 181503), (469, 173376), (504, 161336), (516, 157584), (536, 151704), (576, 141169), (588, 138288), (602, 135072), (603, 134848), (672, 121002), (688, 118188), (774, 105056), (784, 103716), (804, 101136), (882, 92192), (903, 90048), (938, 86688), (1008, 80668), (1032, 78792), (1072, 75852), (1176, 69144), (1204, 67536), (1206, 67424), (1344, 60501), (1376, 59094), (1407, 57792), (1548, 52528), (1568, 51858), (1608, 50568), (1764, 46096), (1806, 45024), (1876, 43344), (2016, 40334), (2064, 39396), (2107, 38592), (2144, 37926), (2352, 34572), (2408, 33768), (2412, 33712), (2709, 30016), (2752, 29547), (2814, 28896), (2881, 28224), (3096, 26264), (3136, 25929), (3216, 25284), (3283, 24768), (3528, 23048), (3612, 22512), (3752, 21672), (4032, 20167), (4128, 19698), (4214, 19296), (4221, 19264), (4288, 18963), (4704, 17286), (4816, 16884), (4824, 16856), (5418, 15008), (5628, 14448), (5762, 14112), (6192, 13132), (6321, 12864), (6432, 12642), (6566, 12384), (7056, 11524), (7224, 11256), (7504, 10836), (8256, 9849), (8428, 9648), (8442, 9632), (8643, 9408)]