1990054602560

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1579609}}^1$

素因数の和:1579784

約数の個数: 112

約数和(自身を含む): 4930202910720

約数和(自身を除く): 2940148308160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 127, 155, 160, 248, 254, 310, 320, 496, 508, 620, 635, 992, 1016, 1240, 1270, 1984, 2032, 2480, 2540, 3937, 4064, 4960, 5080, 7874, 8128, 9920, 10160, 15748, 19685, 20320, 31496, 39370, 40640, 62992, 78740, 125984, 157480, 251968, 314960, 629920, 1259840, 1579609, 3159218, 6318436, 7898045, 12636872, 15796090, 25273744, 31592180, 48967879, 50547488, 63184360, 97935758, 101094976, 126368720, 195871516, 200610343, 244839395, 252737440, 391743032, 401220686, 489678790, 505474880, 783486064, 802441372, 979357580, 1003051715, 1566972128, 1604882744, 1958715160, 2006103430, 3133944256, 3209765488, 3917430320, 4012206860, 6218920633, 6419530976, 7834860640, 8024413720, 12437841266, 12839061952, 15669721280, 16048827440, 24875682532, 31094603165, 32097654880, 49751365064, 62189206330, 64195309760, 99502730128, 124378412660, 199005460256, 248756825320, 398010920512, 497513650640, 995027301280, 1990054602560]

約数ペア:

[(1, 1990054602560), (2, 995027301280), (4, 497513650640), (5, 398010920512), (8, 248756825320), (10, 199005460256), (16, 124378412660), (20, 99502730128), (31, 64195309760), (32, 62189206330), (40, 49751365064), (62, 32097654880), (64, 31094603165), (80, 24875682532), (124, 16048827440), (127, 15669721280), (155, 12839061952), (160, 12437841266), (248, 8024413720), (254, 7834860640), (310, 6419530976), (320, 6218920633), (496, 4012206860), (508, 3917430320), (620, 3209765488), (635, 3133944256), (992, 2006103430), (1016, 1958715160), (1240, 1604882744), (1270, 1566972128), (1984, 1003051715), (2032, 979357580), (2480, 802441372), (2540, 783486064), (3937, 505474880), (4064, 489678790), (4960, 401220686), (5080, 391743032), (7874, 252737440), (8128, 244839395), (9920, 200610343), (10160, 195871516), (15748, 126368720), (19685, 101094976), (20320, 97935758), (31496, 63184360), (39370, 50547488), (40640, 48967879), (62992, 31592180), (78740, 25273744), (125984, 15796090), (157480, 12636872), (251968, 7898045), (314960, 6318436), (629920, 3159218), (1259840, 1579609)]