681310560

素因数分解:

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

素因数の和:298

約数の個数: 288

約数和(自身を含む): 2546401536

約数和(自身を除く): 1865090976

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 155, 160, 168, 186, 210, 211, 217, 224, 240, 248, 280, 310, 336, 372, 420, 422, 434, 465, 480, 496, 560, 620, 633, 651, 672, 744, 840, 844, 868, 930, 961, 992, 1055, 1085, 1120, 1240, 1266, 1302, 1477, 1488, 1680, 1688, 1736, 1860, 1922, 2110, 2170, 2480, 2532, 2604, 2883, 2954, 2976, 3165, 3255, 3360, 3376, 3472, 3720, 3844, 4220, 4340, 4431, 4805, 4960, 5064, 5208, 5766, 5908, 6330, 6510, 6541, 6727, 6752, 6944, 7385, 7440, 7688, 8440, 8680, 8862, 9610, 10128, 10416, 11532, 11816, 12660, 13020, 13082, 13454, 14415, 14770, 14880, 15376, 16880, 17360, 17724, 19220, 19623, 20181, 20256, 20832, 22155, 23064, 23632, 25320, 26040, 26164, 26908, 28830, 29540, 30752, 32705, 33635, 33760, 34720, 35448, 38440, 39246, 40362, 44310, 45787, 46128, 47264, 50640, 52080, 52328, 53816, 57660, 59080, 65410, 67270, 70896, 76880, 78492, 80724, 88620, 91574, 92256, 98115, 100905, 101280, 104160, 104656, 107632, 115320, 118160, 130820, 134540, 137361, 141792, 153760, 156984, 161448, 177240, 183148, 196230, 201810, 202771, 209312, 215264, 228935, 230640, 236320, 261640, 269080, 274722, 313968, 322896, 354480, 366296, 392460, 403620, 405542, 457870, 461280, 523280, 538160, 549444, 608313, 627936, 645792, 686805, 708960, 732592, 784920, 807240, 811084, 915740, 1013855, 1046560, 1076320, 1098888, 1216626, 1373610, 1419397, 1465184, 1569840, 1614480, 1622168, 1831480, 2027710, 2197776, 2433252, 2747220, 2838794, 3041565, 3139680, 3228960, 3244336, 3662960, 4055420, 4258191, 4395552, 4866504, 5494440, 5677588, 6083130, 6488672, 7096985, 7325920, 8110840, 8516382, 9733008, 10988880, 11355176, 12166260, 14193970, 16221680, 17032764, 19466016, 21290955, 21977760, 22710352, 24332520, 28387940, 32443360, 34065528, 42581910, 45420704, 48665040, 56775880, 68131056, 85163820, 97330080, 113551760, 136262112, 170327640, 227103520, 340655280, 681310560]

約数ペア:

[(1, 681310560), (2, 340655280), (3, 227103520), (4, 170327640), (5, 136262112), (6, 113551760), (7, 97330080), (8, 85163820), (10, 68131056), (12, 56775880), (14, 48665040), (15, 45420704), (16, 42581910), (20, 34065528), (21, 32443360), (24, 28387940), (28, 24332520), (30, 22710352), (31, 21977760), (32, 21290955), (35, 19466016), (40, 17032764), (42, 16221680), (48, 14193970), (56, 12166260), (60, 11355176), (62, 10988880), (70, 9733008), (80, 8516382), (84, 8110840), (93, 7325920), (96, 7096985), (105, 6488672), (112, 6083130), (120, 5677588), (124, 5494440), (140, 4866504), (155, 4395552), (160, 4258191), (168, 4055420), (186, 3662960), (210, 3244336), (211, 3228960), (217, 3139680), (224, 3041565), (240, 2838794), (248, 2747220), (280, 2433252), (310, 2197776), (336, 2027710), (372, 1831480), (420, 1622168), (422, 1614480), (434, 1569840), (465, 1465184), (480, 1419397), (496, 1373610), (560, 1216626), (620, 1098888), (633, 1076320), (651, 1046560), (672, 1013855), (744, 915740), (840, 811084), (844, 807240), (868, 784920), (930, 732592), (961, 708960), (992, 686805), (1055, 645792), (1085, 627936), (1120, 608313), (1240, 549444), (1266, 538160), (1302, 523280), (1477, 461280), (1488, 457870), (1680, 405542), (1688, 403620), (1736, 392460), (1860, 366296), (1922, 354480), (2110, 322896), (2170, 313968), (2480, 274722), (2532, 269080), (2604, 261640), (2883, 236320), (2954, 230640), (2976, 228935), (3165, 215264), (3255, 209312), (3360, 202771), (3376, 201810), (3472, 196230), (3720, 183148), (3844, 177240), (4220, 161448), (4340, 156984), (4431, 153760), (4805, 141792), (4960, 137361), (5064, 134540), (5208, 130820), (5766, 118160), (5908, 115320), (6330, 107632), (6510, 104656), (6541, 104160), (6727, 101280), (6752, 100905), (6944, 98115), (7385, 92256), (7440, 91574), (7688, 88620), (8440, 80724), (8680, 78492), (8862, 76880), (9610, 70896), (10128, 67270), (10416, 65410), (11532, 59080), (11816, 57660), (12660, 53816), (13020, 52328), (13082, 52080), (13454, 50640), (14415, 47264), (14770, 46128), (14880, 45787), (15376, 44310), (16880, 40362), (17360, 39246), (17724, 38440), (19220, 35448), (19623, 34720), (20181, 33760), (20256, 33635), (20832, 32705), (22155, 30752), (23064, 29540), (23632, 28830), (25320, 26908), (26040, 26164)]