1279743984

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:260

約数の個数: 240

約数和(自身を含む): 3881180160

約数和(自身を除く): 2601436176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 43, 48, 59, 62, 72, 86, 93, 113, 118, 124, 129, 144, 172, 177, 186, 226, 236, 248, 258, 279, 339, 344, 354, 372, 387, 452, 472, 496, 516, 531, 558, 678, 688, 708, 744, 774, 904, 944, 1017, 1032, 1062, 1116, 1333, 1356, 1416, 1488, 1548, 1808, 1829, 2034, 2064, 2124, 2232, 2537, 2666, 2712, 2832, 3096, 3503, 3658, 3999, 4068, 4248, 4464, 4859, 5074, 5332, 5424, 5487, 6192, 6667, 7006, 7316, 7611, 7998, 8136, 8496, 9718, 10148, 10509, 10664, 10974, 11997, 13334, 14012, 14577, 14632, 15222, 15996, 16272, 16461, 19436, 20001, 20296, 21018, 21328, 21948, 22833, 23994, 26668, 28024, 29154, 29264, 30444, 31527, 31992, 32922, 38872, 40002, 40592, 42036, 43731, 43896, 45666, 47988, 53336, 56048, 58308, 60003, 60888, 63054, 63984, 65844, 77744, 78647, 80004, 84072, 87462, 87792, 91332, 95976, 106672, 116616, 120006, 121776, 126108, 131688, 150629, 157294, 160008, 168144, 174924, 182664, 191952, 206677, 233232, 235941, 240012, 252216, 263376, 286681, 301258, 314588, 320016, 349848, 365328, 413354, 451887, 471882, 480024, 504432, 573362, 602516, 620031, 629176, 699696, 707823, 826708, 860043, 903774, 943764, 960048, 1146724, 1205032, 1240062, 1258352, 1355661, 1415646, 1653416, 1720086, 1807548, 1860093, 1887528, 2293448, 2410064, 2480124, 2580129, 2711322, 2831292, 3306832, 3440172, 3615096, 3720186, 3775056, 4586896, 4960248, 5160258, 5422644, 5662584, 6880344, 7230192, 7440372, 8887111, 9920496, 10320516, 10845288, 11325168, 13760688, 14880744, 17774222, 20641032, 21690576, 26661333, 29761488, 35548444, 41282064, 53322666, 71096888, 79983999, 106645332, 142193776, 159967998, 213290664, 319935996, 426581328, 639871992, 1279743984]

約数ペア:

[(1, 1279743984), (2, 639871992), (3, 426581328), (4, 319935996), (6, 213290664), (8, 159967998), (9, 142193776), (12, 106645332), (16, 79983999), (18, 71096888), (24, 53322666), (31, 41282064), (36, 35548444), (43, 29761488), (48, 26661333), (59, 21690576), (62, 20641032), (72, 17774222), (86, 14880744), (93, 13760688), (113, 11325168), (118, 10845288), (124, 10320516), (129, 9920496), (144, 8887111), (172, 7440372), (177, 7230192), (186, 6880344), (226, 5662584), (236, 5422644), (248, 5160258), (258, 4960248), (279, 4586896), (339, 3775056), (344, 3720186), (354, 3615096), (372, 3440172), (387, 3306832), (452, 2831292), (472, 2711322), (496, 2580129), (516, 2480124), (531, 2410064), (558, 2293448), (678, 1887528), (688, 1860093), (708, 1807548), (744, 1720086), (774, 1653416), (904, 1415646), (944, 1355661), (1017, 1258352), (1032, 1240062), (1062, 1205032), (1116, 1146724), (1333, 960048), (1356, 943764), (1416, 903774), (1488, 860043), (1548, 826708), (1808, 707823), (1829, 699696), (2034, 629176), (2064, 620031), (2124, 602516), (2232, 573362), (2537, 504432), (2666, 480024), (2712, 471882), (2832, 451887), (3096, 413354), (3503, 365328), (3658, 349848), (3999, 320016), (4068, 314588), (4248, 301258), (4464, 286681), (4859, 263376), (5074, 252216), (5332, 240012), (5424, 235941), (5487, 233232), (6192, 206677), (6667, 191952), (7006, 182664), (7316, 174924), (7611, 168144), (7998, 160008), (8136, 157294), (8496, 150629), (9718, 131688), (10148, 126108), (10509, 121776), (10664, 120006), (10974, 116616), (11997, 106672), (13334, 95976), (14012, 91332), (14577, 87792), (14632, 87462), (15222, 84072), (15996, 80004), (16272, 78647), (16461, 77744), (19436, 65844), (20001, 63984), (20296, 63054), (21018, 60888), (21328, 60003), (21948, 58308), (22833, 56048), (23994, 53336), (26668, 47988), (28024, 45666), (29154, 43896), (29264, 43731), (30444, 42036), (31527, 40592), (31992, 40002), (32922, 38872)]