256821153120

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{2830921}}^1$

素因数の和:2830955

約数の個数: 240

約数和(自身を含む): 1035845683488

約数和(自身を除く): 779024530368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 5040, 5670, 6048, 6480, 7560, 9072, 10080, 11340, 12960, 15120, 18144, 22680, 30240, 45360, 90720, 2830921, 5661842, 8492763, 11323684, 14154605, 16985526, 19816447, 22647368, 25478289, 28309210, 33971052, 39632894, 42463815, 45294736, 50956578, 56618420, 59449341, 67942104, 76434867, 79265788, 84927630, 90589472, 99082235, 101913156, 113236840, 118898682, 127391445, 135884208, 152869734, 158531576, 169855260, 178348023, 198164470, 203826312, 226473680, 229304601, 237797364, 254782890, 271768416, 297246705, 305739468, 317063152, 339710520, 356696046, 382174335, 396328940, 407652624, 452947360, 458609202, 475594728, 509565780, 535044069, 594493410, 611478936, 634126304, 679421040, 713392092, 764348670, 792657880, 815305248, 891740115, 917218404, 951189456, 1019131560, 1070088138, 1146523005, 1188986820, 1222957872, 1358842080, 1426784184, 1528697340, 1585315760, 1605132207, 1783480230, 1834436808, 1902378912, 2038263120, 2140176276, 2293046010, 2377973640, 2445915744, 2675220345, 2853568368, 3057394680, 3170631520, 3210264414, 3566960460, 3668873616, 4076526240, 4280352552, 4586092020, 4755947280, 5350440690, 5707136736, 6114789360, 6420528828, 7133920920, 7337747232, 8025661035, 8560705104, 9172184040, 9511894560, 10700881380, 12229578720, 12841057656, 14267841840, 16051322070, 17121410208, 18344368080, 21401762760, 25682115312, 28535683680, 32102644140, 36688736160, 42803525520, 51364230624, 64205288280, 85607051040, 128410576560, 256821153120]

約数ペア:

[(1, 256821153120), (2, 128410576560), (3, 85607051040), (4, 64205288280), (5, 51364230624), (6, 42803525520), (7, 36688736160), (8, 32102644140), (9, 28535683680), (10, 25682115312), (12, 21401762760), (14, 18344368080), (15, 17121410208), (16, 16051322070), (18, 14267841840), (20, 12841057656), (21, 12229578720), (24, 10700881380), (27, 9511894560), (28, 9172184040), (30, 8560705104), (32, 8025661035), (35, 7337747232), (36, 7133920920), (40, 6420528828), (42, 6114789360), (45, 5707136736), (48, 5350440690), (54, 4755947280), (56, 4586092020), (60, 4280352552), (63, 4076526240), (70, 3668873616), (72, 3566960460), (80, 3210264414), (81, 3170631520), (84, 3057394680), (90, 2853568368), (96, 2675220345), (105, 2445915744), (108, 2377973640), (112, 2293046010), (120, 2140176276), (126, 2038263120), (135, 1902378912), (140, 1834436808), (144, 1783480230), (160, 1605132207), (162, 1585315760), (168, 1528697340), (180, 1426784184), (189, 1358842080), (210, 1222957872), (216, 1188986820), (224, 1146523005), (240, 1070088138), (252, 1019131560), (270, 951189456), (280, 917218404), (288, 891740115), (315, 815305248), (324, 792657880), (336, 764348670), (360, 713392092), (378, 679421040), (405, 634126304), (420, 611478936), (432, 594493410), (480, 535044069), (504, 509565780), (540, 475594728), (560, 458609202), (567, 452947360), (630, 407652624), (648, 396328940), (672, 382174335), (720, 356696046), (756, 339710520), (810, 317063152), (840, 305739468), (864, 297246705), (945, 271768416), (1008, 254782890), (1080, 237797364), (1120, 229304601), (1134, 226473680), (1260, 203826312), (1296, 198164470), (1440, 178348023), (1512, 169855260), (1620, 158531576), (1680, 152869734), (1890, 135884208), (2016, 127391445), (2160, 118898682), (2268, 113236840), (2520, 101913156), (2592, 99082235), (2835, 90589472), (3024, 84927630), (3240, 79265788), (3360, 76434867), (3780, 67942104), (4320, 59449341), (4536, 56618420), (5040, 50956578), (5670, 45294736), (6048, 42463815), (6480, 39632894), (7560, 33971052), (9072, 28309210), (10080, 25478289), (11340, 22647368), (12960, 19816447), (15120, 16985526), (18144, 14154605), (22680, 11323684), (30240, 8492763), (45360, 5661842), (90720, 2830921)]