256383360

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:466

約数の個数: 256

約数和(自身を含む): 934891200

約数和(自身を除く): 678507840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 64, 72, 74, 80, 90, 96, 108, 111, 120, 128, 135, 144, 148, 160, 180, 185, 192, 216, 222, 240, 270, 288, 296, 320, 333, 360, 370, 384, 401, 432, 444, 480, 540, 555, 576, 592, 640, 666, 720, 740, 802, 864, 888, 960, 999, 1080, 1110, 1152, 1184, 1203, 1332, 1440, 1480, 1604, 1665, 1728, 1776, 1920, 1998, 2005, 2160, 2220, 2368, 2406, 2664, 2880, 2960, 3208, 3330, 3456, 3552, 3609, 3996, 4010, 4320, 4440, 4736, 4812, 4995, 5328, 5760, 5920, 6015, 6416, 6660, 7104, 7218, 7992, 8020, 8640, 8880, 9624, 9990, 10656, 10827, 11840, 12030, 12832, 13320, 14208, 14436, 14837, 15984, 16040, 17280, 17760, 18045, 19248, 19980, 21312, 21654, 23680, 24060, 25664, 26640, 28872, 29674, 31968, 32080, 35520, 36090, 38496, 39960, 42624, 43308, 44511, 48120, 51328, 53280, 54135, 57744, 59348, 63936, 64160, 71040, 72180, 74185, 76992, 79920, 86616, 89022, 96240, 106560, 108270, 115488, 118696, 127872, 128320, 133533, 144360, 148370, 153984, 159840, 173232, 178044, 192480, 213120, 216540, 222555, 230976, 237392, 256640, 267066, 288720, 296740, 319680, 346464, 356088, 384960, 400599, 433080, 445110, 461952, 474784, 534132, 577440, 593480, 639360, 667665, 692928, 712176, 769920, 801198, 866160, 890220, 949568, 1068264, 1154880, 1186960, 1335330, 1385856, 1424352, 1602396, 1732320, 1780440, 1899136, 2002995, 2136528, 2309760, 2373920, 2670660, 2848704, 3204792, 3464640, 3560880, 4005990, 4273056, 4747840, 5341320, 5697408, 6409584, 6929280, 7121760, 8011980, 8546112, 9495680, 10682640, 12819168, 14243520, 16023960, 17092224, 21365280, 25638336, 28487040, 32047920, 42730560, 51276672, 64095840, 85461120, 128191680, 256383360]

約数ペア:

[(1, 256383360), (2, 128191680), (3, 85461120), (4, 64095840), (5, 51276672), (6, 42730560), (8, 32047920), (9, 28487040), (10, 25638336), (12, 21365280), (15, 17092224), (16, 16023960), (18, 14243520), (20, 12819168), (24, 10682640), (27, 9495680), (30, 8546112), (32, 8011980), (36, 7121760), (37, 6929280), (40, 6409584), (45, 5697408), (48, 5341320), (54, 4747840), (60, 4273056), (64, 4005990), (72, 3560880), (74, 3464640), (80, 3204792), (90, 2848704), (96, 2670660), (108, 2373920), (111, 2309760), (120, 2136528), (128, 2002995), (135, 1899136), (144, 1780440), (148, 1732320), (160, 1602396), (180, 1424352), (185, 1385856), (192, 1335330), (216, 1186960), (222, 1154880), (240, 1068264), (270, 949568), (288, 890220), (296, 866160), (320, 801198), (333, 769920), (360, 712176), (370, 692928), (384, 667665), (401, 639360), (432, 593480), (444, 577440), (480, 534132), (540, 474784), (555, 461952), (576, 445110), (592, 433080), (640, 400599), (666, 384960), (720, 356088), (740, 346464), (802, 319680), (864, 296740), (888, 288720), (960, 267066), (999, 256640), (1080, 237392), (1110, 230976), (1152, 222555), (1184, 216540), (1203, 213120), (1332, 192480), (1440, 178044), (1480, 173232), (1604, 159840), (1665, 153984), (1728, 148370), (1776, 144360), (1920, 133533), (1998, 128320), (2005, 127872), (2160, 118696), (2220, 115488), (2368, 108270), (2406, 106560), (2664, 96240), (2880, 89022), (2960, 86616), (3208, 79920), (3330, 76992), (3456, 74185), (3552, 72180), (3609, 71040), (3996, 64160), (4010, 63936), (4320, 59348), (4440, 57744), (4736, 54135), (4812, 53280), (4995, 51328), (5328, 48120), (5760, 44511), (5920, 43308), (6015, 42624), (6416, 39960), (6660, 38496), (7104, 36090), (7218, 35520), (7992, 32080), (8020, 31968), (8640, 29674), (8880, 28872), (9624, 26640), (9990, 25664), (10656, 24060), (10827, 23680), (11840, 21654), (12030, 21312), (12832, 19980), (13320, 19248), (14208, 18045), (14436, 17760), (14837, 17280), (15984, 16040)]