256051988640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{25401983}}^1$

素因数の和:25402011

約数の個数: 144

約数和(自身を含む): 998602795008

約数和(自身を除く): 742550806368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 25401983, 50803966, 76205949, 101607932, 127009915, 152411898, 177813881, 203215864, 228617847, 254019830, 304823796, 355627762, 381029745, 406431728, 457235694, 508039660, 533441643, 609647592, 711255524, 762059490, 812863456, 889069405, 914471388, 1016079320, 1066883286, 1143089235, 1219295184, 1422511048, 1524118980, 1600324929, 1778138810, 1828942776, 2032158640, 2133766572, 2286178470, 2438590368, 2667208215, 2845022096, 3048237960, 3200649858, 3556277620, 3657885552, 4064317280, 4267533144, 4572356940, 5334416430, 5690044192, 6096475920, 6401299716, 7112555240, 7315771104, 8001624645, 8535066288, 9144713880, 10668832860, 12192951840, 12802599432, 14225110480, 16003249290, 17070132576, 18289427760, 21337665720, 25605198864, 28450220960, 32006498580, 36578855520, 42675331440, 51210397728, 64012997160, 85350662880, 128025994320, 256051988640]

約数ペア:

[(1, 256051988640), (2, 128025994320), (3, 85350662880), (4, 64012997160), (5, 51210397728), (6, 42675331440), (7, 36578855520), (8, 32006498580), (9, 28450220960), (10, 25605198864), (12, 21337665720), (14, 18289427760), (15, 17070132576), (16, 16003249290), (18, 14225110480), (20, 12802599432), (21, 12192951840), (24, 10668832860), (28, 9144713880), (30, 8535066288), (32, 8001624645), (35, 7315771104), (36, 7112555240), (40, 6401299716), (42, 6096475920), (45, 5690044192), (48, 5334416430), (56, 4572356940), (60, 4267533144), (63, 4064317280), (70, 3657885552), (72, 3556277620), (80, 3200649858), (84, 3048237960), (90, 2845022096), (96, 2667208215), (105, 2438590368), (112, 2286178470), (120, 2133766572), (126, 2032158640), (140, 1828942776), (144, 1778138810), (160, 1600324929), (168, 1524118980), (180, 1422511048), (210, 1219295184), (224, 1143089235), (240, 1066883286), (252, 1016079320), (280, 914471388), (288, 889069405), (315, 812863456), (336, 762059490), (360, 711255524), (420, 609647592), (480, 533441643), (504, 508039660), (560, 457235694), (630, 406431728), (672, 381029745), (720, 355627762), (840, 304823796), (1008, 254019830), (1120, 228617847), (1260, 203215864), (1440, 177813881), (1680, 152411898), (2016, 127009915), (2520, 101607932), (3360, 76205949), (5040, 50803966), (10080, 25401983)]