340655280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{211}}^1$

素因数の和:296

約数の個数: 240

約数和(自身を含む): 1252991232

約数和(自身を除く): 912335952

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 211, 217, 240, 248, 280, 310, 336, 372, 420, 422, 434, 465, 496, 560, 620, 633, 651, 744, 840, 844, 868, 930, 961, 1055, 1085, 1240, 1266, 1302, 1477, 1488, 1680, 1688, 1736, 1860, 1922, 2110, 2170, 2480, 2532, 2604, 2883, 2954, 3165, 3255, 3376, 3472, 3720, 3844, 4220, 4340, 4431, 4805, 5064, 5208, 5766, 5908, 6330, 6510, 6541, 6727, 7385, 7440, 7688, 8440, 8680, 8862, 9610, 10128, 10416, 11532, 11816, 12660, 13020, 13082, 13454, 14415, 14770, 15376, 16880, 17360, 17724, 19220, 19623, 20181, 22155, 23064, 23632, 25320, 26040, 26164, 26908, 28830, 29540, 32705, 33635, 35448, 38440, 39246, 40362, 44310, 45787, 46128, 50640, 52080, 52328, 53816, 57660, 59080, 65410, 67270, 70896, 76880, 78492, 80724, 88620, 91574, 98115, 100905, 104656, 107632, 115320, 118160, 130820, 134540, 137361, 156984, 161448, 177240, 183148, 196230, 201810, 202771, 228935, 230640, 261640, 269080, 274722, 313968, 322896, 354480, 366296, 392460, 403620, 405542, 457870, 523280, 538160, 549444, 608313, 686805, 732592, 784920, 807240, 811084, 915740, 1013855, 1098888, 1216626, 1373610, 1419397, 1569840, 1614480, 1622168, 1831480, 2027710, 2197776, 2433252, 2747220, 2838794, 3041565, 3244336, 3662960, 4055420, 4258191, 4866504, 5494440, 5677588, 6083130, 7096985, 8110840, 8516382, 9733008, 10988880, 11355176, 12166260, 14193970, 16221680, 17032764, 21290955, 22710352, 24332520, 28387940, 34065528, 42581910, 48665040, 56775880, 68131056, 85163820, 113551760, 170327640, 340655280]

約数ペア:

[(1, 340655280), (2, 170327640), (3, 113551760), (4, 85163820), (5, 68131056), (6, 56775880), (7, 48665040), (8, 42581910), (10, 34065528), (12, 28387940), (14, 24332520), (15, 22710352), (16, 21290955), (20, 17032764), (21, 16221680), (24, 14193970), (28, 12166260), (30, 11355176), (31, 10988880), (35, 9733008), (40, 8516382), (42, 8110840), (48, 7096985), (56, 6083130), (60, 5677588), (62, 5494440), (70, 4866504), (80, 4258191), (84, 4055420), (93, 3662960), (105, 3244336), (112, 3041565), (120, 2838794), (124, 2747220), (140, 2433252), (155, 2197776), (168, 2027710), (186, 1831480), (210, 1622168), (211, 1614480), (217, 1569840), (240, 1419397), (248, 1373610), (280, 1216626), (310, 1098888), (336, 1013855), (372, 915740), (420, 811084), (422, 807240), (434, 784920), (465, 732592), (496, 686805), (560, 608313), (620, 549444), (633, 538160), (651, 523280), (744, 457870), (840, 405542), (844, 403620), (868, 392460), (930, 366296), (961, 354480), (1055, 322896), (1085, 313968), (1240, 274722), (1266, 269080), (1302, 261640), (1477, 230640), (1488, 228935), (1680, 202771), (1688, 201810), (1736, 196230), (1860, 183148), (1922, 177240), (2110, 161448), (2170, 156984), (2480, 137361), (2532, 134540), (2604, 130820), (2883, 118160), (2954, 115320), (3165, 107632), (3255, 104656), (3376, 100905), (3472, 98115), (3720, 91574), (3844, 88620), (4220, 80724), (4340, 78492), (4431, 76880), (4805, 70896), (5064, 67270), (5208, 65410), (5766, 59080), (5908, 57660), (6330, 53816), (6510, 52328), (6541, 52080), (6727, 50640), (7385, 46128), (7440, 45787), (7688, 44310), (8440, 40362), (8680, 39246), (8862, 38440), (9610, 35448), (10128, 33635), (10416, 32705), (11532, 29540), (11816, 28830), (12660, 26908), (13020, 26164), (13082, 26040), (13454, 25320), (14415, 23632), (14770, 23064), (15376, 22155), (16880, 20181), (17360, 19623), (17724, 19220)]