258439920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:343

約数の個数: 160

約数和(自身を含む): 826613760

約数和(自身を除く): 568173840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 127, 139, 183, 240, 244, 254, 278, 305, 366, 381, 417, 488, 508, 556, 610, 635, 695, 732, 762, 834, 915, 976, 1016, 1112, 1220, 1270, 1390, 1464, 1524, 1668, 1830, 1905, 2032, 2085, 2224, 2440, 2540, 2780, 2928, 3048, 3336, 3660, 3810, 4170, 4880, 5080, 5560, 6096, 6672, 7320, 7620, 7747, 8340, 8479, 10160, 11120, 14640, 15240, 15494, 16680, 16958, 17653, 23241, 25437, 30480, 30988, 33360, 33916, 35306, 38735, 42395, 46482, 50874, 52959, 61976, 67832, 70612, 77470, 84790, 88265, 92964, 101748, 105918, 116205, 123952, 127185, 135664, 141224, 154940, 169580, 176530, 185928, 203496, 211836, 232410, 254370, 264795, 282448, 309880, 339160, 353060, 371856, 406992, 423672, 464820, 508740, 529590, 619760, 678320, 706120, 847344, 929640, 1017480, 1059180, 1076833, 1412240, 1859280, 2034960, 2118360, 2153666, 3230499, 4236720, 4307332, 5384165, 6460998, 8614664, 10768330, 12921996, 16152495, 17229328, 21536660, 25843992, 32304990, 43073320, 51687984, 64609980, 86146640, 129219960, 258439920]

約数ペア:

[(1, 258439920), (2, 129219960), (3, 86146640), (4, 64609980), (5, 51687984), (6, 43073320), (8, 32304990), (10, 25843992), (12, 21536660), (15, 17229328), (16, 16152495), (20, 12921996), (24, 10768330), (30, 8614664), (40, 6460998), (48, 5384165), (60, 4307332), (61, 4236720), (80, 3230499), (120, 2153666), (122, 2118360), (127, 2034960), (139, 1859280), (183, 1412240), (240, 1076833), (244, 1059180), (254, 1017480), (278, 929640), (305, 847344), (366, 706120), (381, 678320), (417, 619760), (488, 529590), (508, 508740), (556, 464820), (610, 423672), (635, 406992), (695, 371856), (732, 353060), (762, 339160), (834, 309880), (915, 282448), (976, 264795), (1016, 254370), (1112, 232410), (1220, 211836), (1270, 203496), (1390, 185928), (1464, 176530), (1524, 169580), (1668, 154940), (1830, 141224), (1905, 135664), (2032, 127185), (2085, 123952), (2224, 116205), (2440, 105918), (2540, 101748), (2780, 92964), (2928, 88265), (3048, 84790), (3336, 77470), (3660, 70612), (3810, 67832), (4170, 61976), (4880, 52959), (5080, 50874), (5560, 46482), (6096, 42395), (6672, 38735), (7320, 35306), (7620, 33916), (7747, 33360), (8340, 30988), (8479, 30480), (10160, 25437), (11120, 23241), (14640, 17653), (15240, 16958), (15494, 16680)]