261458316

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1$

素因数の和:341

約数の個数: 216

約数和(自身を含む): 840294000

約数和(自身を除く): 578835684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 29, 36, 38, 42, 49, 57, 58, 63, 76, 84, 87, 98, 114, 116, 126, 133, 147, 171, 174, 196, 203, 228, 252, 261, 266, 269, 294, 342, 348, 399, 406, 441, 522, 532, 538, 551, 588, 609, 684, 798, 807, 812, 882, 931, 1044, 1076, 1102, 1197, 1218, 1421, 1596, 1614, 1653, 1764, 1827, 1862, 1883, 2204, 2394, 2421, 2436, 2793, 2842, 3228, 3306, 3654, 3724, 3766, 3857, 4263, 4788, 4842, 4959, 5111, 5586, 5649, 5684, 6612, 7308, 7532, 7714, 7801, 8379, 8526, 9684, 9918, 10222, 11172, 11298, 11571, 12789, 13181, 15333, 15428, 15602, 16758, 16947, 17052, 19836, 20444, 22596, 23142, 23403, 25578, 26362, 26999, 30666, 31204, 33516, 33894, 34713, 35777, 39543, 45999, 46284, 46806, 51156, 52724, 53998, 54607, 61332, 67788, 69426, 70209, 71554, 79086, 80997, 91998, 93612, 107331, 107996, 109214, 118629, 138852, 140418, 143108, 148219, 158172, 161994, 163821, 183996, 214662, 218428, 237258, 242991, 250439, 280836, 296438, 321993, 323988, 327642, 382249, 429324, 444657, 474516, 485982, 491463, 500878, 592876, 643986, 655284, 751317, 764498, 889314, 971964, 982926, 1001756, 1037533, 1146747, 1287972, 1333971, 1502634, 1528996, 1778628, 1965852, 2075066, 2253951, 2293494, 2667942, 3005268, 3112599, 3440241, 4150132, 4507902, 4586988, 5335884, 6225198, 6880482, 7262731, 9015804, 9337797, 12450396, 13760964, 14525462, 18675594, 21788193, 29050924, 37351188, 43576386, 65364579, 87152772, 130729158, 261458316]

約数ペア:

[(1, 261458316), (2, 130729158), (3, 87152772), (4, 65364579), (6, 43576386), (7, 37351188), (9, 29050924), (12, 21788193), (14, 18675594), (18, 14525462), (19, 13760964), (21, 12450396), (28, 9337797), (29, 9015804), (36, 7262731), (38, 6880482), (42, 6225198), (49, 5335884), (57, 4586988), (58, 4507902), (63, 4150132), (76, 3440241), (84, 3112599), (87, 3005268), (98, 2667942), (114, 2293494), (116, 2253951), (126, 2075066), (133, 1965852), (147, 1778628), (171, 1528996), (174, 1502634), (196, 1333971), (203, 1287972), (228, 1146747), (252, 1037533), (261, 1001756), (266, 982926), (269, 971964), (294, 889314), (342, 764498), (348, 751317), (399, 655284), (406, 643986), (441, 592876), (522, 500878), (532, 491463), (538, 485982), (551, 474516), (588, 444657), (609, 429324), (684, 382249), (798, 327642), (807, 323988), (812, 321993), (882, 296438), (931, 280836), (1044, 250439), (1076, 242991), (1102, 237258), (1197, 218428), (1218, 214662), (1421, 183996), (1596, 163821), (1614, 161994), (1653, 158172), (1764, 148219), (1827, 143108), (1862, 140418), (1883, 138852), (2204, 118629), (2394, 109214), (2421, 107996), (2436, 107331), (2793, 93612), (2842, 91998), (3228, 80997), (3306, 79086), (3654, 71554), (3724, 70209), (3766, 69426), (3857, 67788), (4263, 61332), (4788, 54607), (4842, 53998), (4959, 52724), (5111, 51156), (5586, 46806), (5649, 46284), (5684, 45999), (6612, 39543), (7308, 35777), (7532, 34713), (7714, 33894), (7801, 33516), (8379, 31204), (8526, 30666), (9684, 26999), (9918, 26362), (10222, 25578), (11172, 23403), (11298, 23142), (11571, 22596), (12789, 20444), (13181, 19836), (15333, 17052), (15428, 16947), (15602, 16758)]