664446647680

素因数分解:

$2^7\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{105971}}^1$

素因数の和:106188

約数の個数: 128

約数和(自身を含む): 1620723051360

約数和(自身を除く): 956276403680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 101, 128, 160, 194, 202, 320, 388, 404, 485, 505, 640, 776, 808, 970, 1010, 1552, 1616, 1940, 2020, 3104, 3232, 3880, 4040, 6208, 6464, 7760, 8080, 9797, 12416, 12928, 15520, 16160, 19594, 31040, 32320, 39188, 48985, 62080, 64640, 78376, 97970, 105971, 156752, 195940, 211942, 313504, 391880, 423884, 529855, 627008, 783760, 847768, 1059710, 1254016, 1567520, 1695536, 2119420, 3135040, 3391072, 4238840, 6270080, 6782144, 8477680, 10279187, 10703071, 13564288, 16955360, 20558374, 21406142, 33910720, 41116748, 42812284, 51395935, 53515355, 67821440, 82233496, 85624568, 102791870, 107030710, 164466992, 171249136, 205583740, 214061420, 328933984, 342498272, 411167480, 428122840, 657867968, 684996544, 822334960, 856245680, 1038197887, 1315735936, 1369993088, 1644669920, 1712491360, 2076395774, 3289339840, 3424982720, 4152791548, 5190989435, 6578679680, 6849965440, 8305583096, 10381978870, 16611166192, 20763957740, 33222332384, 41527915480, 66444664768, 83055830960, 132889329536, 166111661920, 332223323840, 664446647680]

約数ペア:

[(1, 664446647680), (2, 332223323840), (4, 166111661920), (5, 132889329536), (8, 83055830960), (10, 66444664768), (16, 41527915480), (20, 33222332384), (32, 20763957740), (40, 16611166192), (64, 10381978870), (80, 8305583096), (97, 6849965440), (101, 6578679680), (128, 5190989435), (160, 4152791548), (194, 3424982720), (202, 3289339840), (320, 2076395774), (388, 1712491360), (404, 1644669920), (485, 1369993088), (505, 1315735936), (640, 1038197887), (776, 856245680), (808, 822334960), (970, 684996544), (1010, 657867968), (1552, 428122840), (1616, 411167480), (1940, 342498272), (2020, 328933984), (3104, 214061420), (3232, 205583740), (3880, 171249136), (4040, 164466992), (6208, 107030710), (6464, 102791870), (7760, 85624568), (8080, 82233496), (9797, 67821440), (12416, 53515355), (12928, 51395935), (15520, 42812284), (16160, 41116748), (19594, 33910720), (31040, 21406142), (32320, 20558374), (39188, 16955360), (48985, 13564288), (62080, 10703071), (64640, 10279187), (78376, 8477680), (97970, 6782144), (105971, 6270080), (156752, 4238840), (195940, 3391072), (211942, 3135040), (313504, 2119420), (391880, 1695536), (423884, 1567520), (529855, 1254016), (627008, 1059710), (783760, 847768)]