255536820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:315

約数の個数: 288

約数和(自身を含む): 981227520

約数和(自身を除く): 725690700

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, 70, 77, 84, 90, 99, 103, 105, 110, 126, 132, 140, 154, 165, 179, 180, 198, 206, 210, 220, 231, 252, 308, 309, 315, 330, 358, 385, 396, 412, 420, 462, 495, 515, 537, 618, 630, 660, 693, 716, 721, 770, 895, 924, 927, 990, 1030, 1074, 1133, 1155, 1236, 1253, 1260, 1386, 1442, 1540, 1545, 1611, 1790, 1854, 1969, 1980, 2060, 2148, 2163, 2266, 2310, 2506, 2685, 2772, 2884, 3090, 3222, 3399, 3465, 3580, 3605, 3708, 3759, 3938, 4326, 4532, 4620, 4635, 5012, 5370, 5665, 5907, 6180, 6265, 6444, 6489, 6798, 6930, 7210, 7518, 7876, 7931, 8055, 8652, 9270, 9845, 10197, 10740, 10815, 11277, 11330, 11814, 12530, 12978, 13596, 13783, 13860, 14420, 15036, 15862, 16110, 16995, 17721, 18437, 18540, 18795, 19690, 20394, 21630, 22554, 22660, 23628, 23793, 25060, 25956, 27566, 29535, 31724, 32220, 32445, 33990, 35442, 36874, 37590, 39380, 39655, 40788, 41349, 43260, 45108, 47586, 50985, 55132, 55311, 56385, 59070, 64890, 67980, 68915, 70884, 71379, 73748, 75180, 79310, 82698, 88605, 92185, 95172, 101970, 110622, 112770, 118140, 118965, 124047, 129059, 129780, 137830, 142758, 158620, 165396, 165933, 177210, 184370, 202807, 203940, 206745, 221244, 225540, 237930, 248094, 258118, 275660, 276555, 285516, 331866, 354420, 356895, 368740, 387177, 405614, 413490, 475860, 496188, 516236, 553110, 608421, 620235, 645295, 663732, 713790, 774354, 811228, 826980, 829665, 1014035, 1106220, 1161531, 1216842, 1240470, 1290590, 1419649, 1427580, 1548708, 1659330, 1825263, 1935885, 2028070, 2323062, 2433684, 2480940, 2581180, 2839298, 3042105, 3318660, 3650526, 3871770, 4056140, 4258947, 4646124, 5678596, 5807655, 6084210, 7098245, 7301052, 7743540, 8517894, 9126315, 11615310, 12168420, 12776841, 14196490, 17035788, 18252630, 21294735, 23230620, 25553682, 28392980, 36505260, 42589470, 51107364, 63884205, 85178940, 127768410, 255536820]

約数ペア:

[(1, 255536820), (2, 127768410), (3, 85178940), (4, 63884205), (5, 51107364), (6, 42589470), (7, 36505260), (9, 28392980), (10, 25553682), (11, 23230620), (12, 21294735), (14, 18252630), (15, 17035788), (18, 14196490), (20, 12776841), (21, 12168420), (22, 11615310), (28, 9126315), (30, 8517894), (33, 7743540), (35, 7301052), (36, 7098245), (42, 6084210), (44, 5807655), (45, 5678596), (55, 4646124), (60, 4258947), (63, 4056140), (66, 3871770), (70, 3650526), (77, 3318660), (84, 3042105), (90, 2839298), (99, 2581180), (103, 2480940), (105, 2433684), (110, 2323062), (126, 2028070), (132, 1935885), (140, 1825263), (154, 1659330), (165, 1548708), (179, 1427580), (180, 1419649), (198, 1290590), (206, 1240470), (210, 1216842), (220, 1161531), (231, 1106220), (252, 1014035), (308, 829665), (309, 826980), (315, 811228), (330, 774354), (358, 713790), (385, 663732), (396, 645295), (412, 620235), (420, 608421), (462, 553110), (495, 516236), (515, 496188), (537, 475860), (618, 413490), (630, 405614), (660, 387177), (693, 368740), (716, 356895), (721, 354420), (770, 331866), (895, 285516), (924, 276555), (927, 275660), (990, 258118), (1030, 248094), (1074, 237930), (1133, 225540), (1155, 221244), (1236, 206745), (1253, 203940), (1260, 202807), (1386, 184370), (1442, 177210), (1540, 165933), (1545, 165396), (1611, 158620), (1790, 142758), (1854, 137830), (1969, 129780), (1980, 129059), (2060, 124047), (2148, 118965), (2163, 118140), (2266, 112770), (2310, 110622), (2506, 101970), (2685, 95172), (2772, 92185), (2884, 88605), (3090, 82698), (3222, 79310), (3399, 75180), (3465, 73748), (3580, 71379), (3605, 70884), (3708, 68915), (3759, 67980), (3938, 64890), (4326, 59070), (4532, 56385), (4620, 55311), (4635, 55132), (5012, 50985), (5370, 47586), (5665, 45108), (5907, 43260), (6180, 41349), (6265, 40788), (6444, 39655), (6489, 39380), (6798, 37590), (6930, 36874), (7210, 35442), (7518, 33990), (7876, 32445), (7931, 32220), (8055, 31724), (8652, 29535), (9270, 27566), (9845, 25956), (10197, 25060), (10740, 23793), (10815, 23628), (11277, 22660), (11330, 22554), (11814, 21630), (12530, 20394), (12978, 19690), (13596, 18795), (13783, 18540), (13860, 18437), (14420, 17721), (15036, 16995), (15862, 16110)]