281482740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{883}}^1$

素因数の和:939

約数の個数: 288

約数和(自身を含む): 1112057856

約数和(自身を除く): 830575116

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 23, 28, 30, 33, 35, 36, 42, 44, 45, 46, 55, 60, 63, 66, 69, 70, 77, 84, 90, 92, 99, 105, 110, 115, 126, 132, 138, 140, 154, 161, 165, 180, 198, 207, 210, 220, 230, 231, 252, 253, 276, 308, 315, 322, 330, 345, 385, 396, 414, 420, 460, 462, 483, 495, 506, 630, 644, 660, 690, 693, 759, 770, 805, 828, 883, 924, 966, 990, 1012, 1035, 1155, 1260, 1265, 1380, 1386, 1449, 1518, 1540, 1610, 1766, 1771, 1932, 1980, 2070, 2277, 2310, 2415, 2530, 2649, 2772, 2898, 3036, 3220, 3465, 3532, 3542, 3795, 4140, 4415, 4554, 4620, 4830, 5060, 5298, 5313, 5796, 6181, 6930, 7084, 7245, 7590, 7947, 8830, 8855, 9108, 9660, 9713, 10596, 10626, 11385, 12362, 13245, 13860, 14490, 15180, 15894, 15939, 17660, 17710, 18543, 19426, 20309, 21252, 22770, 24724, 26490, 26565, 28980, 29139, 30905, 31788, 31878, 35420, 37086, 38852, 39735, 40618, 45540, 48565, 52980, 53130, 55629, 58278, 60927, 61810, 63756, 67991, 74172, 79470, 79695, 81236, 87417, 92715, 97130, 101545, 106260, 111258, 116556, 121854, 123620, 135982, 142163, 145695, 158940, 159390, 174834, 182781, 185430, 194260, 203090, 203973, 222516, 223399, 243708, 271964, 278145, 284326, 291390, 304635, 318780, 339955, 349668, 365562, 370860, 406180, 407946, 426489, 437085, 446798, 556290, 568652, 582780, 609270, 611919, 670197, 679910, 710815, 731124, 815892, 852978, 874170, 893596, 913905, 1019865, 1112580, 1116995, 1218540, 1223838, 1279467, 1340394, 1359820, 1421630, 1563793, 1705956, 1748340, 1827810, 2010591, 2039730, 2132445, 2233990, 2447676, 2558934, 2680788, 2843260, 3059595, 3127586, 3350985, 3655620, 4021182, 4079460, 4264890, 4467980, 4691379, 5117868, 6119190, 6255172, 6397335, 6701970, 7818965, 8042364, 8529780, 9382758, 10052955, 12238380, 12794670, 13403940, 14074137, 15637930, 18765516, 20105910, 23456895, 25589340, 28148274, 31275860, 40211820, 46913790, 56296548, 70370685, 93827580, 140741370, 281482740]

約数ペア:

[(1, 281482740), (2, 140741370), (3, 93827580), (4, 70370685), (5, 56296548), (6, 46913790), (7, 40211820), (9, 31275860), (10, 28148274), (11, 25589340), (12, 23456895), (14, 20105910), (15, 18765516), (18, 15637930), (20, 14074137), (21, 13403940), (22, 12794670), (23, 12238380), (28, 10052955), (30, 9382758), (33, 8529780), (35, 8042364), (36, 7818965), (42, 6701970), (44, 6397335), (45, 6255172), (46, 6119190), (55, 5117868), (60, 4691379), (63, 4467980), (66, 4264890), (69, 4079460), (70, 4021182), (77, 3655620), (84, 3350985), (90, 3127586), (92, 3059595), (99, 2843260), (105, 2680788), (110, 2558934), (115, 2447676), (126, 2233990), (132, 2132445), (138, 2039730), (140, 2010591), (154, 1827810), (161, 1748340), (165, 1705956), (180, 1563793), (198, 1421630), (207, 1359820), (210, 1340394), (220, 1279467), (230, 1223838), (231, 1218540), (252, 1116995), (253, 1112580), (276, 1019865), (308, 913905), (315, 893596), (322, 874170), (330, 852978), (345, 815892), (385, 731124), (396, 710815), (414, 679910), (420, 670197), (460, 611919), (462, 609270), (483, 582780), (495, 568652), (506, 556290), (630, 446798), (644, 437085), (660, 426489), (690, 407946), (693, 406180), (759, 370860), (770, 365562), (805, 349668), (828, 339955), (883, 318780), (924, 304635), (966, 291390), (990, 284326), (1012, 278145), (1035, 271964), (1155, 243708), (1260, 223399), (1265, 222516), (1380, 203973), (1386, 203090), (1449, 194260), (1518, 185430), (1540, 182781), (1610, 174834), (1766, 159390), (1771, 158940), (1932, 145695), (1980, 142163), (2070, 135982), (2277, 123620), (2310, 121854), (2415, 116556), (2530, 111258), (2649, 106260), (2772, 101545), (2898, 97130), (3036, 92715), (3220, 87417), (3465, 81236), (3532, 79695), (3542, 79470), (3795, 74172), (4140, 67991), (4415, 63756), (4554, 61810), (4620, 60927), (4830, 58278), (5060, 55629), (5298, 53130), (5313, 52980), (5796, 48565), (6181, 45540), (6930, 40618), (7084, 39735), (7245, 38852), (7590, 37086), (7947, 35420), (8830, 31878), (8855, 31788), (9108, 30905), (9660, 29139), (9713, 28980), (10596, 26565), (10626, 26490), (11385, 24724), (12362, 22770), (13245, 21252), (13860, 20309), (14490, 19426), (15180, 18543), (15894, 17710), (15939, 17660)]