1555261568

素因数分解:

$2^7\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:499

約数の個数: 192

約数和(自身を含む): 3925612800

約数和(自身を除く): 2370351232

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 49, 56, 62, 64, 76, 98, 112, 124, 128, 133, 152, 196, 217, 224, 248, 266, 304, 392, 421, 434, 448, 496, 532, 589, 608, 784, 842, 868, 896, 931, 992, 1064, 1178, 1216, 1519, 1568, 1684, 1736, 1862, 1984, 2128, 2356, 2432, 2947, 3038, 3136, 3368, 3472, 3724, 3968, 4123, 4256, 4712, 5894, 6076, 6272, 6736, 6944, 7448, 7999, 8246, 8512, 9424, 11788, 12152, 13051, 13472, 13888, 14896, 15998, 16492, 17024, 18848, 20629, 23576, 24304, 26102, 26944, 27776, 28861, 29792, 31996, 32984, 37696, 41258, 47152, 48608, 52204, 53888, 55993, 57722, 59584, 63992, 65968, 75392, 82516, 91357, 94304, 97216, 104408, 111986, 115444, 119168, 127984, 131936, 165032, 182714, 188608, 194432, 208816, 223972, 230888, 247969, 255968, 263872, 330064, 365428, 377216, 391951, 417632, 447944, 461776, 495938, 511936, 527744, 639499, 660128, 730856, 783902, 835264, 895888, 923552, 991876, 1023872, 1278998, 1320256, 1461712, 1567804, 1670528, 1735783, 1791776, 1847104, 1983752, 2557996, 2640512, 2923424, 3135608, 3471566, 3583552, 3694208, 3967504, 5115992, 5846848, 6271216, 6943132, 7167104, 7935008, 10231984, 11693696, 12150481, 12542432, 13886264, 15870016, 20463968, 24300962, 25084864, 27772528, 31740032, 40927936, 48601924, 50169728, 55545056, 81855872, 97203848, 111090112, 194407696, 222180224, 388815392, 777630784, 1555261568]

約数ペア:

[(1, 1555261568), (2, 777630784), (4, 388815392), (7, 222180224), (8, 194407696), (14, 111090112), (16, 97203848), (19, 81855872), (28, 55545056), (31, 50169728), (32, 48601924), (38, 40927936), (49, 31740032), (56, 27772528), (62, 25084864), (64, 24300962), (76, 20463968), (98, 15870016), (112, 13886264), (124, 12542432), (128, 12150481), (133, 11693696), (152, 10231984), (196, 7935008), (217, 7167104), (224, 6943132), (248, 6271216), (266, 5846848), (304, 5115992), (392, 3967504), (421, 3694208), (434, 3583552), (448, 3471566), (496, 3135608), (532, 2923424), (589, 2640512), (608, 2557996), (784, 1983752), (842, 1847104), (868, 1791776), (896, 1735783), (931, 1670528), (992, 1567804), (1064, 1461712), (1178, 1320256), (1216, 1278998), (1519, 1023872), (1568, 991876), (1684, 923552), (1736, 895888), (1862, 835264), (1984, 783902), (2128, 730856), (2356, 660128), (2432, 639499), (2947, 527744), (3038, 511936), (3136, 495938), (3368, 461776), (3472, 447944), (3724, 417632), (3968, 391951), (4123, 377216), (4256, 365428), (4712, 330064), (5894, 263872), (6076, 255968), (6272, 247969), (6736, 230888), (6944, 223972), (7448, 208816), (7999, 194432), (8246, 188608), (8512, 182714), (9424, 165032), (11788, 131936), (12152, 127984), (13051, 119168), (13472, 115444), (13888, 111986), (14896, 104408), (15998, 97216), (16492, 94304), (17024, 91357), (18848, 82516), (20629, 75392), (23576, 65968), (24304, 63992), (26102, 59584), (26944, 57722), (27776, 55993), (28861, 53888), (29792, 52204), (31996, 48608), (32984, 47152), (37696, 41258)]