259444640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:311

約数の個数: 192

約数和(自身を含む): 766112256

約数和(自身を除く): 506667616

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 103, 104, 112, 130, 140, 160, 173, 182, 206, 208, 224, 260, 280, 346, 364, 412, 416, 455, 515, 520, 560, 692, 721, 728, 824, 865, 910, 1030, 1040, 1120, 1211, 1339, 1384, 1442, 1456, 1648, 1730, 1820, 2060, 2080, 2249, 2422, 2678, 2768, 2884, 2912, 3296, 3460, 3605, 3640, 4120, 4498, 4844, 5356, 5536, 5768, 6055, 6695, 6920, 7210, 7280, 8240, 8996, 9373, 9688, 10712, 11245, 11536, 12110, 13390, 13840, 14420, 14560, 15743, 16480, 17819, 17992, 18746, 19376, 21424, 22490, 23072, 24220, 26780, 27680, 28840, 31486, 35638, 35984, 37492, 38752, 42848, 44980, 46865, 48440, 53560, 57680, 62972, 71276, 71968, 74984, 78715, 89095, 89960, 93730, 96880, 107120, 115360, 124733, 125944, 142552, 149968, 157430, 178190, 179920, 187460, 193760, 214240, 231647, 249466, 251888, 285104, 299936, 314860, 356380, 359840, 374920, 463294, 498932, 503776, 570208, 623665, 629720, 712760, 749840, 926588, 997864, 1158235, 1247330, 1259440, 1425520, 1499680, 1621529, 1853176, 1995728, 2316470, 2494660, 2518880, 2851040, 3243058, 3706352, 3991456, 4632940, 4989320, 6486116, 7412704, 8107645, 9265880, 9978640, 12972232, 16215290, 18531760, 19957280, 25944464, 32430580, 37063520, 51888928, 64861160, 129722320, 259444640]

約数ペア:

[(1, 259444640), (2, 129722320), (4, 64861160), (5, 51888928), (7, 37063520), (8, 32430580), (10, 25944464), (13, 19957280), (14, 18531760), (16, 16215290), (20, 12972232), (26, 9978640), (28, 9265880), (32, 8107645), (35, 7412704), (40, 6486116), (52, 4989320), (56, 4632940), (65, 3991456), (70, 3706352), (80, 3243058), (91, 2851040), (103, 2518880), (104, 2494660), (112, 2316470), (130, 1995728), (140, 1853176), (160, 1621529), (173, 1499680), (182, 1425520), (206, 1259440), (208, 1247330), (224, 1158235), (260, 997864), (280, 926588), (346, 749840), (364, 712760), (412, 629720), (416, 623665), (455, 570208), (515, 503776), (520, 498932), (560, 463294), (692, 374920), (721, 359840), (728, 356380), (824, 314860), (865, 299936), (910, 285104), (1030, 251888), (1040, 249466), (1120, 231647), (1211, 214240), (1339, 193760), (1384, 187460), (1442, 179920), (1456, 178190), (1648, 157430), (1730, 149968), (1820, 142552), (2060, 125944), (2080, 124733), (2249, 115360), (2422, 107120), (2678, 96880), (2768, 93730), (2884, 89960), (2912, 89095), (3296, 78715), (3460, 74984), (3605, 71968), (3640, 71276), (4120, 62972), (4498, 57680), (4844, 53560), (5356, 48440), (5536, 46865), (5768, 44980), (6055, 42848), (6695, 38752), (6920, 37492), (7210, 35984), (7280, 35638), (8240, 31486), (8996, 28840), (9373, 27680), (9688, 26780), (10712, 24220), (11245, 23072), (11536, 22490), (12110, 21424), (13390, 19376), (13840, 18746), (14420, 17992), (14560, 17819), (15743, 16480)]