256702320

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:141

約数の個数: 360

約数和(自身を含む): 1037263968

約数和(自身を除く): 780561648

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 53, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 106, 112, 120, 124, 126, 140, 144, 155, 159, 168, 180, 186, 210, 212, 217, 240, 248, 252, 265, 279, 280, 310, 315, 318, 336, 360, 371, 372, 420, 424, 434, 465, 477, 496, 504, 530, 558, 560, 620, 630, 636, 651, 720, 742, 744, 795, 840, 848, 868, 930, 954, 961, 1008, 1060, 1085, 1113, 1116, 1240, 1260, 1272, 1302, 1395, 1484, 1488, 1590, 1643, 1680, 1736, 1855, 1860, 1908, 1922, 1953, 2120, 2170, 2226, 2232, 2385, 2480, 2520, 2544, 2604, 2790, 2883, 2968, 3180, 3255, 3286, 3339, 3472, 3710, 3720, 3816, 3844, 3906, 4240, 4340, 4452, 4464, 4770, 4805, 4929, 5040, 5208, 5565, 5580, 5766, 5936, 6360, 6510, 6572, 6678, 6727, 7420, 7440, 7632, 7688, 7812, 8215, 8649, 8680, 8904, 9540, 9610, 9765, 9858, 10416, 11130, 11160, 11501, 11532, 12720, 13020, 13144, 13356, 13454, 14415, 14787, 14840, 15376, 15624, 16430, 16695, 17298, 17360, 17808, 19080, 19220, 19530, 19716, 20181, 22260, 22320, 23002, 23064, 24645, 26040, 26288, 26712, 26908, 28830, 29574, 29680, 31248, 32860, 33390, 33635, 34503, 34596, 38160, 38440, 39060, 39432, 40362, 43245, 44520, 46004, 46128, 49290, 50933, 52080, 53424, 53816, 57505, 57660, 59148, 60543, 65720, 66780, 67270, 69006, 69192, 73935, 76880, 78120, 78864, 80724, 86490, 89040, 92008, 98580, 100905, 101866, 103509, 107632, 115010, 115320, 118296, 121086, 131440, 133560, 134540, 138012, 138384, 147870, 152799, 156240, 161448, 172515, 172980, 184016, 197160, 201810, 203732, 207018, 230020, 230640, 236592, 242172, 254665, 267120, 269080, 276024, 295740, 302715, 305598, 322896, 345030, 345960, 356531, 394320, 403620, 407464, 414036, 458397, 460040, 484344, 509330, 517545, 538160, 552048, 591480, 605430, 611196, 690060, 691920, 713062, 763995, 807240, 814928, 828072, 916794, 920080, 968688, 1018660, 1035090, 1069593, 1182960, 1210860, 1222392, 1380120, 1426124, 1527990, 1614480, 1656144, 1782655, 1833588, 2037320, 2070180, 2139186, 2291985, 2421720, 2444784, 2760240, 2852248, 3055980, 3208779, 3565310, 3667176, 4074640, 4140360, 4278372, 4583970, 4843440, 5347965, 5704496, 6111960, 6417558, 7130620, 7334352, 8280720, 8556744, 9167940, 10695930, 12223920, 12835116, 14261240, 16043895, 17113488, 18335880, 21391860, 25670232, 28522480, 32087790, 36671760, 42783720, 51340464, 64175580, 85567440, 128351160, 256702320]

約数ペア:

[(1, 256702320), (2, 128351160), (3, 85567440), (4, 64175580), (5, 51340464), (6, 42783720), (7, 36671760), (8, 32087790), (9, 28522480), (10, 25670232), (12, 21391860), (14, 18335880), (15, 17113488), (16, 16043895), (18, 14261240), (20, 12835116), (21, 12223920), (24, 10695930), (28, 9167940), (30, 8556744), (31, 8280720), (35, 7334352), (36, 7130620), (40, 6417558), (42, 6111960), (45, 5704496), (48, 5347965), (53, 4843440), (56, 4583970), (60, 4278372), (62, 4140360), (63, 4074640), (70, 3667176), (72, 3565310), (80, 3208779), (84, 3055980), (90, 2852248), (93, 2760240), (105, 2444784), (106, 2421720), (112, 2291985), (120, 2139186), (124, 2070180), (126, 2037320), (140, 1833588), (144, 1782655), (155, 1656144), (159, 1614480), (168, 1527990), (180, 1426124), (186, 1380120), (210, 1222392), (212, 1210860), (217, 1182960), (240, 1069593), (248, 1035090), (252, 1018660), (265, 968688), (279, 920080), (280, 916794), (310, 828072), (315, 814928), (318, 807240), (336, 763995), (360, 713062), (371, 691920), (372, 690060), (420, 611196), (424, 605430), (434, 591480), (465, 552048), (477, 538160), (496, 517545), (504, 509330), (530, 484344), (558, 460040), (560, 458397), (620, 414036), (630, 407464), (636, 403620), (651, 394320), (720, 356531), (742, 345960), (744, 345030), (795, 322896), (840, 305598), (848, 302715), (868, 295740), (930, 276024), (954, 269080), (961, 267120), (1008, 254665), (1060, 242172), (1085, 236592), (1113, 230640), (1116, 230020), (1240, 207018), (1260, 203732), (1272, 201810), (1302, 197160), (1395, 184016), (1484, 172980), (1488, 172515), (1590, 161448), (1643, 156240), (1680, 152799), (1736, 147870), (1855, 138384), (1860, 138012), (1908, 134540), (1922, 133560), (1953, 131440), (2120, 121086), (2170, 118296), (2226, 115320), (2232, 115010), (2385, 107632), (2480, 103509), (2520, 101866), (2544, 100905), (2604, 98580), (2790, 92008), (2883, 89040), (2968, 86490), (3180, 80724), (3255, 78864), (3286, 78120), (3339, 76880), (3472, 73935), (3710, 69192), (3720, 69006), (3816, 67270), (3844, 66780), (3906, 65720), (4240, 60543), (4340, 59148), (4452, 57660), (4464, 57505), (4770, 53816), (4805, 53424), (4929, 52080), (5040, 50933), (5208, 49290), (5565, 46128), (5580, 46004), (5766, 44520), (5936, 43245), (6360, 40362), (6510, 39432), (6572, 39060), (6678, 38440), (6727, 38160), (7420, 34596), (7440, 34503), (7632, 33635), (7688, 33390), (7812, 32860), (8215, 31248), (8649, 29680), (8680, 29574), (8904, 28830), (9540, 26908), (9610, 26712), (9765, 26288), (9858, 26040), (10416, 24645), (11130, 23064), (11160, 23002), (11501, 22320), (11532, 22260), (12720, 20181), (13020, 19716), (13144, 19530), (13356, 19220), (13454, 19080), (14415, 17808), (14787, 17360), (14840, 17298), (15376, 16695), (15624, 16430)]