257227740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:377

約数の個数: 288

約数和(自身を含む): 990872064

約数和(自身を除く): 733644324

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 67, 70, 77, 84, 90, 99, 105, 110, 126, 132, 134, 140, 154, 165, 180, 198, 201, 210, 220, 231, 252, 268, 277, 308, 315, 330, 335, 385, 396, 402, 420, 462, 469, 495, 554, 603, 630, 660, 670, 693, 737, 770, 804, 831, 924, 938, 990, 1005, 1108, 1155, 1206, 1260, 1340, 1385, 1386, 1407, 1474, 1540, 1662, 1876, 1939, 1980, 2010, 2211, 2310, 2345, 2412, 2493, 2770, 2772, 2814, 2948, 3015, 3047, 3324, 3465, 3685, 3878, 4020, 4155, 4221, 4422, 4620, 4690, 4986, 5159, 5540, 5628, 5817, 6030, 6094, 6633, 6930, 7035, 7370, 7756, 8310, 8442, 8844, 9141, 9380, 9695, 9972, 10318, 11055, 11634, 12060, 12188, 12465, 13266, 13860, 14070, 14740, 15235, 15477, 16620, 16884, 17451, 18282, 18559, 19390, 20636, 21105, 21329, 22110, 23268, 24930, 25795, 26532, 27423, 28140, 29085, 30470, 30954, 33165, 34902, 36564, 37118, 38780, 42210, 42658, 44220, 45705, 46431, 49860, 51590, 54846, 55677, 58170, 60940, 61908, 63987, 66330, 69804, 74236, 77385, 84420, 85316, 87255, 91410, 92795, 92862, 103180, 106645, 109692, 111354, 116340, 127974, 129913, 132660, 137115, 154770, 167031, 174510, 182820, 185590, 185724, 191961, 204149, 213290, 222708, 232155, 255948, 259826, 274230, 278385, 309540, 319935, 334062, 349020, 371180, 383922, 389739, 408298, 426580, 464310, 519652, 548460, 556770, 612447, 639870, 649565, 668124, 767844, 779478, 816596, 835155, 928620, 959805, 1020745, 1113540, 1169217, 1224894, 1279740, 1299130, 1429043, 1558956, 1670310, 1837341, 1919610, 1948695, 2041490, 2338434, 2449788, 2598260, 2858086, 3062235, 3340620, 3674682, 3839220, 3897390, 4082980, 4287129, 4676868, 5716172, 5846085, 6124470, 7145215, 7349364, 7794780, 8574258, 9186705, 11692170, 12248940, 12861387, 14290430, 17148516, 18373410, 21435645, 23384340, 25722774, 28580860, 36746820, 42871290, 51445548, 64306935, 85742580, 128613870, 257227740]

約数ペア:

[(1, 257227740), (2, 128613870), (3, 85742580), (4, 64306935), (5, 51445548), (6, 42871290), (7, 36746820), (9, 28580860), (10, 25722774), (11, 23384340), (12, 21435645), (14, 18373410), (15, 17148516), (18, 14290430), (20, 12861387), (21, 12248940), (22, 11692170), (28, 9186705), (30, 8574258), (33, 7794780), (35, 7349364), (36, 7145215), (42, 6124470), (44, 5846085), (45, 5716172), (55, 4676868), (60, 4287129), (63, 4082980), (66, 3897390), (67, 3839220), (70, 3674682), (77, 3340620), (84, 3062235), (90, 2858086), (99, 2598260), (105, 2449788), (110, 2338434), (126, 2041490), (132, 1948695), (134, 1919610), (140, 1837341), (154, 1670310), (165, 1558956), (180, 1429043), (198, 1299130), (201, 1279740), (210, 1224894), (220, 1169217), (231, 1113540), (252, 1020745), (268, 959805), (277, 928620), (308, 835155), (315, 816596), (330, 779478), (335, 767844), (385, 668124), (396, 649565), (402, 639870), (420, 612447), (462, 556770), (469, 548460), (495, 519652), (554, 464310), (603, 426580), (630, 408298), (660, 389739), (670, 383922), (693, 371180), (737, 349020), (770, 334062), (804, 319935), (831, 309540), (924, 278385), (938, 274230), (990, 259826), (1005, 255948), (1108, 232155), (1155, 222708), (1206, 213290), (1260, 204149), (1340, 191961), (1385, 185724), (1386, 185590), (1407, 182820), (1474, 174510), (1540, 167031), (1662, 154770), (1876, 137115), (1939, 132660), (1980, 129913), (2010, 127974), (2211, 116340), (2310, 111354), (2345, 109692), (2412, 106645), (2493, 103180), (2770, 92862), (2772, 92795), (2814, 91410), (2948, 87255), (3015, 85316), (3047, 84420), (3324, 77385), (3465, 74236), (3685, 69804), (3878, 66330), (4020, 63987), (4155, 61908), (4221, 60940), (4422, 58170), (4620, 55677), (4690, 54846), (4986, 51590), (5159, 49860), (5540, 46431), (5628, 45705), (5817, 44220), (6030, 42658), (6094, 42210), (6633, 38780), (6930, 37118), (7035, 36564), (7370, 34902), (7756, 33165), (8310, 30954), (8442, 30470), (8844, 29085), (9141, 28140), (9380, 27423), (9695, 26532), (9972, 25795), (10318, 24930), (11055, 23268), (11634, 22110), (12060, 21329), (12188, 21105), (12465, 20636), (13266, 19390), (13860, 18559), (14070, 18282), (14740, 17451), (15235, 16884), (15477, 16620)]