640578960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:371

約数の個数: 360

約数和(自身を含む): 2549229696

約数和(自身を除く): 1908650736

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 67, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 134, 140, 144, 147, 168, 180, 196, 201, 210, 240, 245, 252, 268, 271, 280, 294, 315, 335, 336, 360, 392, 402, 420, 441, 469, 490, 504, 536, 542, 560, 588, 603, 630, 670, 720, 735, 784, 804, 813, 840, 882, 938, 980, 1005, 1008, 1072, 1084, 1176, 1206, 1260, 1340, 1355, 1407, 1470, 1608, 1626, 1680, 1764, 1876, 1897, 1960, 2010, 2168, 2205, 2345, 2352, 2412, 2439, 2520, 2680, 2710, 2814, 2940, 3015, 3216, 3252, 3283, 3528, 3752, 3794, 3920, 4020, 4065, 4221, 4336, 4410, 4690, 4824, 4878, 5040, 5360, 5420, 5628, 5691, 5880, 6030, 6504, 6566, 7035, 7056, 7504, 7588, 8040, 8130, 8442, 8820, 9380, 9485, 9648, 9756, 9849, 10840, 11256, 11382, 11760, 12060, 12195, 13008, 13132, 13279, 14070, 15176, 16080, 16260, 16415, 16884, 17073, 17640, 18157, 18760, 18970, 19512, 19698, 21105, 21680, 22512, 22764, 24120, 24390, 26264, 26558, 28140, 28455, 29547, 30352, 32520, 32830, 33768, 34146, 35280, 36314, 37520, 37940, 39024, 39396, 39837, 42210, 45528, 48240, 48780, 49245, 52528, 53116, 54471, 56280, 56910, 59094, 65040, 65660, 66395, 67536, 68292, 72628, 75880, 78792, 79674, 84420, 85365, 90785, 91056, 97560, 98490, 106232, 108942, 112560, 113820, 118188, 119511, 127099, 131320, 132790, 136584, 145256, 147735, 151760, 157584, 159348, 163413, 168840, 170730, 181570, 195120, 196980, 199185, 212464, 217884, 227640, 236376, 239022, 254198, 262640, 265580, 272355, 273168, 290512, 295470, 318696, 326826, 337680, 341460, 363140, 381297, 393960, 398370, 435768, 455280, 472752, 478044, 508396, 531160, 544710, 590940, 597555, 635495, 637392, 653652, 682920, 726280, 762594, 787920, 796740, 817065, 871536, 889693, 956088, 1016792, 1062320, 1089420, 1143891, 1181880, 1195110, 1270990, 1307304, 1365840, 1452560, 1525188, 1593480, 1634130, 1779386, 1906485, 1912176, 2033584, 2178840, 2287782, 2363760, 2390220, 2541980, 2614608, 2669079, 3050376, 3186960, 3268260, 3558772, 3812970, 4357680, 4448465, 4575564, 4780440, 5083960, 5338158, 5719455, 6100752, 6536520, 7117544, 7625940, 8007237, 8896930, 9151128, 9560880, 10167920, 10676316, 11438910, 13073040, 13345395, 14235088, 15251880, 16014474, 17793860, 18302256, 21352632, 22877820, 26690790, 30503760, 32028948, 35587720, 40036185, 42705264, 45755640, 53381580, 64057896, 71175440, 80072370, 91511280, 106763160, 128115792, 160144740, 213526320, 320289480, 640578960]

約数ペア:

[(1, 640578960), (2, 320289480), (3, 213526320), (4, 160144740), (5, 128115792), (6, 106763160), (7, 91511280), (8, 80072370), (9, 71175440), (10, 64057896), (12, 53381580), (14, 45755640), (15, 42705264), (16, 40036185), (18, 35587720), (20, 32028948), (21, 30503760), (24, 26690790), (28, 22877820), (30, 21352632), (35, 18302256), (36, 17793860), (40, 16014474), (42, 15251880), (45, 14235088), (48, 13345395), (49, 13073040), (56, 11438910), (60, 10676316), (63, 10167920), (67, 9560880), (70, 9151128), (72, 8896930), (80, 8007237), (84, 7625940), (90, 7117544), (98, 6536520), (105, 6100752), (112, 5719455), (120, 5338158), (126, 5083960), (134, 4780440), (140, 4575564), (144, 4448465), (147, 4357680), (168, 3812970), (180, 3558772), (196, 3268260), (201, 3186960), (210, 3050376), (240, 2669079), (245, 2614608), (252, 2541980), (268, 2390220), (271, 2363760), (280, 2287782), (294, 2178840), (315, 2033584), (335, 1912176), (336, 1906485), (360, 1779386), (392, 1634130), (402, 1593480), (420, 1525188), (441, 1452560), (469, 1365840), (490, 1307304), (504, 1270990), (536, 1195110), (542, 1181880), (560, 1143891), (588, 1089420), (603, 1062320), (630, 1016792), (670, 956088), (720, 889693), (735, 871536), (784, 817065), (804, 796740), (813, 787920), (840, 762594), (882, 726280), (938, 682920), (980, 653652), (1005, 637392), (1008, 635495), (1072, 597555), (1084, 590940), (1176, 544710), (1206, 531160), (1260, 508396), (1340, 478044), (1355, 472752), (1407, 455280), (1470, 435768), (1608, 398370), (1626, 393960), (1680, 381297), (1764, 363140), (1876, 341460), (1897, 337680), (1960, 326826), (2010, 318696), (2168, 295470), (2205, 290512), (2345, 273168), (2352, 272355), (2412, 265580), (2439, 262640), (2520, 254198), (2680, 239022), (2710, 236376), (2814, 227640), (2940, 217884), (3015, 212464), (3216, 199185), (3252, 196980), (3283, 195120), (3528, 181570), (3752, 170730), (3794, 168840), (3920, 163413), (4020, 159348), (4065, 157584), (4221, 151760), (4336, 147735), (4410, 145256), (4690, 136584), (4824, 132790), (4878, 131320), (5040, 127099), (5360, 119511), (5420, 118188), (5628, 113820), (5691, 112560), (5880, 108942), (6030, 106232), (6504, 98490), (6566, 97560), (7035, 91056), (7056, 90785), (7504, 85365), (7588, 84420), (8040, 79674), (8130, 78792), (8442, 75880), (8820, 72628), (9380, 68292), (9485, 67536), (9648, 66395), (9756, 65660), (9849, 65040), (10840, 59094), (11256, 56910), (11382, 56280), (11760, 54471), (12060, 53116), (12195, 52528), (13008, 49245), (13132, 48780), (13279, 48240), (14070, 45528), (15176, 42210), (16080, 39837), (16260, 39396), (16415, 39024), (16884, 37940), (17073, 37520), (17640, 36314), (18157, 35280), (18760, 34146), (18970, 33768), (19512, 32830), (19698, 32520), (21105, 30352), (21680, 29547), (22512, 28455), (22764, 28140), (24120, 26558), (24390, 26264)]