813819440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:276

約数の個数: 240

約数和(自身を含む): 2346349824

約数和(自身を除く): 1532530384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 37, 40, 49, 56, 62, 70, 74, 80, 98, 112, 124, 140, 148, 155, 181, 185, 196, 217, 245, 248, 259, 280, 296, 310, 362, 370, 392, 434, 490, 496, 518, 560, 592, 620, 724, 740, 784, 868, 905, 980, 1036, 1085, 1147, 1240, 1267, 1295, 1448, 1480, 1519, 1736, 1810, 1813, 1960, 2072, 2170, 2294, 2480, 2534, 2590, 2896, 2960, 3038, 3472, 3620, 3626, 3920, 4144, 4340, 4588, 5068, 5180, 5611, 5735, 6076, 6335, 6697, 7240, 7252, 7595, 8029, 8680, 8869, 9065, 9176, 10136, 10360, 11222, 11470, 12152, 12670, 13394, 14480, 14504, 15190, 16058, 17360, 17738, 18130, 18352, 20272, 20720, 22444, 22940, 24304, 25340, 26788, 28055, 29008, 30380, 32116, 33485, 35476, 36260, 39277, 40145, 44345, 44888, 45880, 46879, 50680, 53576, 56110, 56203, 60760, 64232, 66970, 70952, 72520, 78554, 80290, 88690, 89776, 91760, 93758, 101360, 107152, 112220, 112406, 121520, 128464, 133940, 141904, 145040, 157108, 160580, 177380, 187516, 196385, 207607, 224440, 224812, 234395, 267880, 274939, 281015, 314216, 321160, 328153, 354760, 375032, 392770, 415214, 448880, 449624, 468790, 535760, 549878, 562030, 628432, 642320, 656306, 709520, 750064, 785540, 830428, 899248, 937580, 1038035, 1099756, 1124060, 1312612, 1374695, 1453249, 1571080, 1640765, 1660856, 1875160, 2076070, 2199512, 2248120, 2625224, 2749390, 2906498, 3142160, 3281530, 3321712, 3750320, 4152140, 4399024, 4496240, 5250448, 5498780, 5812996, 6563060, 7266245, 8304280, 10172743, 10997560, 11625992, 13126120, 14532490, 16608560, 20345486, 21995120, 23251984, 26252240, 29064980, 40690972, 50863715, 58129960, 81381944, 101727430, 116259920, 162763888, 203454860, 406909720, 813819440]

約数ペア:

[(1, 813819440), (2, 406909720), (4, 203454860), (5, 162763888), (7, 116259920), (8, 101727430), (10, 81381944), (14, 58129960), (16, 50863715), (20, 40690972), (28, 29064980), (31, 26252240), (35, 23251984), (37, 21995120), (40, 20345486), (49, 16608560), (56, 14532490), (62, 13126120), (70, 11625992), (74, 10997560), (80, 10172743), (98, 8304280), (112, 7266245), (124, 6563060), (140, 5812996), (148, 5498780), (155, 5250448), (181, 4496240), (185, 4399024), (196, 4152140), (217, 3750320), (245, 3321712), (248, 3281530), (259, 3142160), (280, 2906498), (296, 2749390), (310, 2625224), (362, 2248120), (370, 2199512), (392, 2076070), (434, 1875160), (490, 1660856), (496, 1640765), (518, 1571080), (560, 1453249), (592, 1374695), (620, 1312612), (724, 1124060), (740, 1099756), (784, 1038035), (868, 937580), (905, 899248), (980, 830428), (1036, 785540), (1085, 750064), (1147, 709520), (1240, 656306), (1267, 642320), (1295, 628432), (1448, 562030), (1480, 549878), (1519, 535760), (1736, 468790), (1810, 449624), (1813, 448880), (1960, 415214), (2072, 392770), (2170, 375032), (2294, 354760), (2480, 328153), (2534, 321160), (2590, 314216), (2896, 281015), (2960, 274939), (3038, 267880), (3472, 234395), (3620, 224812), (3626, 224440), (3920, 207607), (4144, 196385), (4340, 187516), (4588, 177380), (5068, 160580), (5180, 157108), (5611, 145040), (5735, 141904), (6076, 133940), (6335, 128464), (6697, 121520), (7240, 112406), (7252, 112220), (7595, 107152), (8029, 101360), (8680, 93758), (8869, 91760), (9065, 89776), (9176, 88690), (10136, 80290), (10360, 78554), (11222, 72520), (11470, 70952), (12152, 66970), (12670, 64232), (13394, 60760), (14480, 56203), (14504, 56110), (15190, 53576), (16058, 50680), (17360, 46879), (17738, 45880), (18130, 44888), (18352, 44345), (20272, 40145), (20720, 39277), (22444, 36260), (22940, 35476), (24304, 33485), (25340, 32116), (26788, 30380), (28055, 29008)]