257357880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{433}}^1$

素因数の和:590

約数の個数: 192

約数和(自身を含む): 909941760

約数和(自身を除く): 652583880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 127, 130, 156, 180, 195, 234, 254, 260, 312, 360, 381, 390, 433, 468, 508, 520, 585, 635, 762, 780, 866, 936, 1016, 1143, 1170, 1270, 1299, 1524, 1560, 1651, 1732, 1905, 2165, 2286, 2340, 2540, 2598, 3048, 3302, 3464, 3810, 3897, 4330, 4572, 4680, 4953, 5080, 5196, 5629, 5715, 6495, 6604, 7620, 7794, 8255, 8660, 9144, 9906, 10392, 11258, 11430, 12990, 13208, 14859, 15240, 15588, 16510, 16887, 17320, 19485, 19812, 22516, 22860, 24765, 25980, 28145, 29718, 31176, 33020, 33774, 38970, 39624, 45032, 45720, 49530, 50661, 51960, 54991, 56290, 59436, 66040, 67548, 74295, 77940, 84435, 99060, 101322, 109982, 112580, 118872, 135096, 148590, 155880, 164973, 168870, 198120, 202644, 219964, 225160, 253305, 274955, 297180, 329946, 337740, 405288, 439928, 494919, 506610, 549910, 594360, 659892, 675480, 714883, 824865, 989838, 1013220, 1099820, 1319784, 1429766, 1649730, 1979676, 2026440, 2144649, 2199640, 2474595, 2859532, 3299460, 3574415, 3959352, 4289298, 4949190, 5719064, 6433947, 6598920, 7148830, 8578596, 9898380, 10723245, 12867894, 14297660, 17157192, 19796760, 21446490, 25735788, 28595320, 32169735, 42892980, 51471576, 64339470, 85785960, 128678940, 257357880]

約数ペア:

[(1, 257357880), (2, 128678940), (3, 85785960), (4, 64339470), (5, 51471576), (6, 42892980), (8, 32169735), (9, 28595320), (10, 25735788), (12, 21446490), (13, 19796760), (15, 17157192), (18, 14297660), (20, 12867894), (24, 10723245), (26, 9898380), (30, 8578596), (36, 7148830), (39, 6598920), (40, 6433947), (45, 5719064), (52, 4949190), (60, 4289298), (65, 3959352), (72, 3574415), (78, 3299460), (90, 2859532), (104, 2474595), (117, 2199640), (120, 2144649), (127, 2026440), (130, 1979676), (156, 1649730), (180, 1429766), (195, 1319784), (234, 1099820), (254, 1013220), (260, 989838), (312, 824865), (360, 714883), (381, 675480), (390, 659892), (433, 594360), (468, 549910), (508, 506610), (520, 494919), (585, 439928), (635, 405288), (762, 337740), (780, 329946), (866, 297180), (936, 274955), (1016, 253305), (1143, 225160), (1170, 219964), (1270, 202644), (1299, 198120), (1524, 168870), (1560, 164973), (1651, 155880), (1732, 148590), (1905, 135096), (2165, 118872), (2286, 112580), (2340, 109982), (2540, 101322), (2598, 99060), (3048, 84435), (3302, 77940), (3464, 74295), (3810, 67548), (3897, 66040), (4330, 59436), (4572, 56290), (4680, 54991), (4953, 51960), (5080, 50661), (5196, 49530), (5629, 45720), (5715, 45032), (6495, 39624), (6604, 38970), (7620, 33774), (7794, 33020), (8255, 31176), (8660, 29718), (9144, 28145), (9906, 25980), (10392, 24765), (11258, 22860), (11430, 22516), (12990, 19812), (13208, 19485), (14859, 17320), (15240, 16887), (15588, 16510)]