311825280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2$

素因数の和:110

約数の個数: 288

約数和(自身を含む): 1112120280

約数和(自身を除く): 800295000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 78, 80, 93, 96, 104, 120, 124, 128, 130, 155, 156, 160, 169, 186, 192, 195, 208, 240, 248, 260, 310, 312, 320, 338, 372, 384, 390, 403, 416, 465, 480, 496, 507, 520, 620, 624, 640, 676, 744, 780, 806, 832, 845, 930, 960, 961, 992, 1014, 1040, 1209, 1240, 1248, 1352, 1488, 1560, 1612, 1664, 1690, 1860, 1920, 1922, 1984, 2015, 2028, 2080, 2418, 2480, 2496, 2535, 2704, 2883, 2976, 3120, 3224, 3380, 3720, 3844, 3968, 4030, 4056, 4160, 4805, 4836, 4960, 4992, 5070, 5239, 5408, 5766, 5952, 6045, 6240, 6448, 6760, 7440, 7688, 8060, 8112, 8320, 9610, 9672, 9920, 10140, 10478, 10816, 11532, 11904, 12090, 12480, 12493, 12896, 13520, 14415, 14880, 15376, 15717, 16120, 16224, 19220, 19344, 19840, 20280, 20956, 21632, 23064, 24180, 24960, 24986, 25792, 26195, 27040, 28830, 29760, 30752, 31434, 32240, 32448, 37479, 38440, 38688, 40560, 41912, 46128, 48360, 49972, 51584, 52390, 54080, 57660, 59520, 61504, 62465, 62868, 64480, 64896, 74958, 76880, 77376, 78585, 81120, 83824, 92256, 96720, 99944, 104780, 108160, 115320, 123008, 124930, 125736, 128960, 149916, 153760, 154752, 157170, 162240, 162409, 167648, 184512, 187395, 193440, 199888, 209560, 230640, 249860, 251472, 257920, 299832, 307520, 314340, 324480, 324818, 335296, 369024, 374790, 386880, 399776, 419120, 461280, 487227, 499720, 502944, 599664, 615040, 628680, 649636, 670592, 749580, 773760, 799552, 812045, 838240, 922560, 974454, 999440, 1005888, 1199328, 1257360, 1299272, 1499160, 1599104, 1624090, 1676480, 1845120, 1948908, 1998880, 2011776, 2398656, 2436135, 2514720, 2598544, 2998320, 3248180, 3352960, 3897816, 3997760, 4797312, 4872270, 5029440, 5197088, 5996640, 6496360, 7795632, 7995520, 9744540, 10058880, 10394176, 11993280, 12992720, 15591264, 19489080, 20788352, 23986560, 25985440, 31182528, 38978160, 51970880, 62365056, 77956320, 103941760, 155912640, 311825280]

約数ペア:

[(1, 311825280), (2, 155912640), (3, 103941760), (4, 77956320), (5, 62365056), (6, 51970880), (8, 38978160), (10, 31182528), (12, 25985440), (13, 23986560), (15, 20788352), (16, 19489080), (20, 15591264), (24, 12992720), (26, 11993280), (30, 10394176), (31, 10058880), (32, 9744540), (39, 7995520), (40, 7795632), (48, 6496360), (52, 5996640), (60, 5197088), (62, 5029440), (64, 4872270), (65, 4797312), (78, 3997760), (80, 3897816), (93, 3352960), (96, 3248180), (104, 2998320), (120, 2598544), (124, 2514720), (128, 2436135), (130, 2398656), (155, 2011776), (156, 1998880), (160, 1948908), (169, 1845120), (186, 1676480), (192, 1624090), (195, 1599104), (208, 1499160), (240, 1299272), (248, 1257360), (260, 1199328), (310, 1005888), (312, 999440), (320, 974454), (338, 922560), (372, 838240), (384, 812045), (390, 799552), (403, 773760), (416, 749580), (465, 670592), (480, 649636), (496, 628680), (507, 615040), (520, 599664), (620, 502944), (624, 499720), (640, 487227), (676, 461280), (744, 419120), (780, 399776), (806, 386880), (832, 374790), (845, 369024), (930, 335296), (960, 324818), (961, 324480), (992, 314340), (1014, 307520), (1040, 299832), (1209, 257920), (1240, 251472), (1248, 249860), (1352, 230640), (1488, 209560), (1560, 199888), (1612, 193440), (1664, 187395), (1690, 184512), (1860, 167648), (1920, 162409), (1922, 162240), (1984, 157170), (2015, 154752), (2028, 153760), (2080, 149916), (2418, 128960), (2480, 125736), (2496, 124930), (2535, 123008), (2704, 115320), (2883, 108160), (2976, 104780), (3120, 99944), (3224, 96720), (3380, 92256), (3720, 83824), (3844, 81120), (3968, 78585), (4030, 77376), (4056, 76880), (4160, 74958), (4805, 64896), (4836, 64480), (4960, 62868), (4992, 62465), (5070, 61504), (5239, 59520), (5408, 57660), (5766, 54080), (5952, 52390), (6045, 51584), (6240, 49972), (6448, 48360), (6760, 46128), (7440, 41912), (7688, 40560), (8060, 38688), (8112, 38440), (8320, 37479), (9610, 32448), (9672, 32240), (9920, 31434), (10140, 30752), (10478, 29760), (10816, 28830), (11532, 27040), (11904, 26195), (12090, 25792), (12480, 24986), (12493, 24960), (12896, 24180), (13520, 23064), (14415, 21632), (14880, 20956), (15376, 20280), (15717, 19840), (16120, 19344), (16224, 19220)]