256238640

素因数分解:

$2^4\times 3^5\times 5^1\times 7^2\times {\mathrm{269}}^1$

素因数の和:311

約数の個数: 360

約数和(自身を含む): 1041964560

約数和(自身を除く): 785725920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 162, 168, 180, 189, 196, 210, 216, 240, 243, 245, 252, 269, 270, 280, 294, 315, 324, 336, 360, 378, 392, 405, 420, 432, 441, 486, 490, 504, 538, 540, 560, 567, 588, 630, 648, 720, 735, 756, 784, 807, 810, 840, 882, 945, 972, 980, 1008, 1076, 1080, 1134, 1176, 1215, 1260, 1296, 1323, 1345, 1470, 1512, 1614, 1620, 1680, 1701, 1764, 1883, 1890, 1944, 1960, 2152, 2160, 2205, 2268, 2352, 2421, 2430, 2520, 2646, 2690, 2835, 2940, 3024, 3228, 3240, 3402, 3528, 3766, 3780, 3888, 3920, 3969, 4035, 4304, 4410, 4536, 4842, 4860, 5040, 5292, 5380, 5649, 5670, 5880, 6456, 6480, 6615, 6804, 7056, 7263, 7532, 7560, 7938, 8070, 8505, 8820, 9072, 9415, 9684, 9720, 10584, 10760, 11298, 11340, 11760, 11907, 12105, 12912, 13181, 13230, 13608, 14526, 15064, 15120, 15876, 16140, 16947, 17010, 17640, 18830, 19368, 19440, 19845, 21168, 21520, 21789, 22596, 22680, 23814, 24210, 26362, 26460, 27216, 28245, 29052, 30128, 31752, 32280, 33894, 34020, 35280, 36315, 37660, 38736, 39543, 39690, 43578, 45192, 45360, 47628, 48420, 50841, 52724, 52920, 56490, 58104, 59535, 63504, 64560, 65367, 65905, 67788, 68040, 72630, 75320, 79086, 79380, 84735, 87156, 90384, 95256, 96840, 101682, 105448, 105840, 108945, 112980, 116208, 118629, 119070, 130734, 131810, 135576, 136080, 145260, 150640, 152523, 158172, 158760, 169470, 174312, 190512, 193680, 197715, 203364, 210896, 217890, 225960, 237258, 238140, 254205, 261468, 263620, 271152, 290520, 305046, 316344, 317520, 326835, 338940, 348624, 355887, 395430, 406728, 435780, 451920, 457569, 474516, 476280, 508410, 522936, 527240, 581040, 593145, 610092, 632688, 653670, 677880, 711774, 762615, 790860, 813456, 871560, 915138, 949032, 952560, 1016820, 1045872, 1054480, 1067661, 1186290, 1220184, 1307340, 1355760, 1423548, 1525230, 1581720, 1743120, 1779435, 1830276, 1898064, 2033640, 2135322, 2287845, 2372580, 2440368, 2614680, 2847096, 3050460, 3163440, 3202983, 3558870, 3660552, 4067280, 4270644, 4575690, 4745160, 5229360, 5338305, 5694192, 6100920, 6405966, 7117740, 7321104, 8541288, 9151380, 9490320, 10676610, 12201840, 12811932, 14235480, 16014915, 17082576, 18302760, 21353220, 25623864, 28470960, 32029830, 36605520, 42706440, 51247728, 64059660, 85412880, 128119320, 256238640]

約数ペア:

[(1, 256238640), (2, 128119320), (3, 85412880), (4, 64059660), (5, 51247728), (6, 42706440), (7, 36605520), (8, 32029830), (9, 28470960), (10, 25623864), (12, 21353220), (14, 18302760), (15, 17082576), (16, 16014915), (18, 14235480), (20, 12811932), (21, 12201840), (24, 10676610), (27, 9490320), (28, 9151380), (30, 8541288), (35, 7321104), (36, 7117740), (40, 6405966), (42, 6100920), (45, 5694192), (48, 5338305), (49, 5229360), (54, 4745160), (56, 4575690), (60, 4270644), (63, 4067280), (70, 3660552), (72, 3558870), (80, 3202983), (81, 3163440), (84, 3050460), (90, 2847096), (98, 2614680), (105, 2440368), (108, 2372580), (112, 2287845), (120, 2135322), (126, 2033640), (135, 1898064), (140, 1830276), (144, 1779435), (147, 1743120), (162, 1581720), (168, 1525230), (180, 1423548), (189, 1355760), (196, 1307340), (210, 1220184), (216, 1186290), (240, 1067661), (243, 1054480), (245, 1045872), (252, 1016820), (269, 952560), (270, 949032), (280, 915138), (294, 871560), (315, 813456), (324, 790860), (336, 762615), (360, 711774), (378, 677880), (392, 653670), (405, 632688), (420, 610092), (432, 593145), (441, 581040), (486, 527240), (490, 522936), (504, 508410), (538, 476280), (540, 474516), (560, 457569), (567, 451920), (588, 435780), (630, 406728), (648, 395430), (720, 355887), (735, 348624), (756, 338940), (784, 326835), (807, 317520), (810, 316344), (840, 305046), (882, 290520), (945, 271152), (972, 263620), (980, 261468), (1008, 254205), (1076, 238140), (1080, 237258), (1134, 225960), (1176, 217890), (1215, 210896), (1260, 203364), (1296, 197715), (1323, 193680), (1345, 190512), (1470, 174312), (1512, 169470), (1614, 158760), (1620, 158172), (1680, 152523), (1701, 150640), (1764, 145260), (1883, 136080), (1890, 135576), (1944, 131810), (1960, 130734), (2152, 119070), (2160, 118629), (2205, 116208), (2268, 112980), (2352, 108945), (2421, 105840), (2430, 105448), (2520, 101682), (2646, 96840), (2690, 95256), (2835, 90384), (2940, 87156), (3024, 84735), (3228, 79380), (3240, 79086), (3402, 75320), (3528, 72630), (3766, 68040), (3780, 67788), (3888, 65905), (3920, 65367), (3969, 64560), (4035, 63504), (4304, 59535), (4410, 58104), (4536, 56490), (4842, 52920), (4860, 52724), (5040, 50841), (5292, 48420), (5380, 47628), (5649, 45360), (5670, 45192), (5880, 43578), (6456, 39690), (6480, 39543), (6615, 38736), (6804, 37660), (7056, 36315), (7263, 35280), (7532, 34020), (7560, 33894), (7938, 32280), (8070, 31752), (8505, 30128), (8820, 29052), (9072, 28245), (9415, 27216), (9684, 26460), (9720, 26362), (10584, 24210), (10760, 23814), (11298, 22680), (11340, 22596), (11760, 21789), (11907, 21520), (12105, 21168), (12912, 19845), (13181, 19440), (13230, 19368), (13608, 18830), (14526, 17640), (15064, 17010), (15120, 16947), (15876, 16140)]