814347777280

素因数分解:

$2^8\times 5^1\times {\mathrm{101}}^1\times {\mathrm{349}}^1\times {\mathrm{18049}}^1$

素因数の和:18520

約数の個数: 144

約数和(自身を含む): 1975684410000

約数和(自身を除く): 1161336632720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 256, 320, 349, 404, 505, 640, 698, 808, 1010, 1280, 1396, 1616, 1745, 2020, 2792, 3232, 3490, 4040, 5584, 6464, 6980, 8080, 11168, 12928, 13960, 16160, 18049, 22336, 25856, 27920, 32320, 35249, 36098, 44672, 55840, 64640, 70498, 72196, 89344, 90245, 111680, 129280, 140996, 144392, 176245, 180490, 223360, 281992, 288784, 352490, 360980, 446720, 563984, 577568, 704980, 721960, 1127968, 1155136, 1409960, 1443920, 1822949, 2255936, 2310272, 2819920, 2887840, 3645898, 4511872, 4620544, 5639840, 5775680, 6299101, 7291796, 9023744, 9114745, 11279680, 11551360, 12598202, 14583592, 18229490, 22559360, 23102720, 25196404, 29167184, 31495505, 36458980, 45118720, 50392808, 58334368, 62991010, 72917960, 100785616, 116668736, 125982020, 145835920, 201571232, 233337472, 251964040, 291671840, 403142464, 466674944, 503928080, 583343680, 636209201, 806284928, 1007856160, 1166687360, 1272418402, 1612569856, 2015712320, 2333374720, 2544836804, 3181046005, 4031424640, 5089673608, 6362092010, 8062849280, 10179347216, 12724184020, 20358694432, 25448368040, 40717388864, 50896736080, 81434777728, 101793472160, 162869555456, 203586944320, 407173888640, 814347777280]

約数ペア:

[(1, 814347777280), (2, 407173888640), (4, 203586944320), (5, 162869555456), (8, 101793472160), (10, 81434777728), (16, 50896736080), (20, 40717388864), (32, 25448368040), (40, 20358694432), (64, 12724184020), (80, 10179347216), (101, 8062849280), (128, 6362092010), (160, 5089673608), (202, 4031424640), (256, 3181046005), (320, 2544836804), (349, 2333374720), (404, 2015712320), (505, 1612569856), (640, 1272418402), (698, 1166687360), (808, 1007856160), (1010, 806284928), (1280, 636209201), (1396, 583343680), (1616, 503928080), (1745, 466674944), (2020, 403142464), (2792, 291671840), (3232, 251964040), (3490, 233337472), (4040, 201571232), (5584, 145835920), (6464, 125982020), (6980, 116668736), (8080, 100785616), (11168, 72917960), (12928, 62991010), (13960, 58334368), (16160, 50392808), (18049, 45118720), (22336, 36458980), (25856, 31495505), (27920, 29167184), (32320, 25196404), (35249, 23102720), (36098, 22559360), (44672, 18229490), (55840, 14583592), (64640, 12598202), (70498, 11551360), (72196, 11279680), (89344, 9114745), (90245, 9023744), (111680, 7291796), (129280, 6299101), (140996, 5775680), (144392, 5639840), (176245, 4620544), (180490, 4511872), (223360, 3645898), (281992, 2887840), (288784, 2819920), (352490, 2310272), (360980, 2255936), (446720, 1822949), (563984, 1443920), (577568, 1409960), (704980, 1155136), (721960, 1127968)]