256335840

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:396

約数の個数: 288

約数和(自身を含む): 957640320

約数和(自身を除く): 701304480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 162, 171, 180, 190, 216, 228, 240, 243, 270, 285, 288, 304, 324, 342, 347, 360, 380, 405, 432, 456, 480, 486, 513, 540, 570, 608, 648, 684, 694, 720, 760, 810, 855, 864, 912, 972, 1026, 1041, 1080, 1140, 1215, 1296, 1368, 1388, 1440, 1520, 1539, 1620, 1710, 1735, 1824, 1944, 2052, 2082, 2160, 2280, 2430, 2565, 2592, 2736, 2776, 3040, 3078, 3123, 3240, 3420, 3470, 3888, 4104, 4164, 4320, 4560, 4617, 4860, 5130, 5205, 5472, 5552, 6156, 6246, 6480, 6593, 6840, 6940, 7695, 7776, 8208, 8328, 9120, 9234, 9369, 9720, 10260, 10410, 11104, 12312, 12492, 12960, 13186, 13680, 13880, 15390, 15615, 16416, 16656, 18468, 18738, 19440, 19779, 20520, 20820, 23085, 24624, 24984, 26372, 27360, 27760, 28107, 30780, 31230, 32965, 33312, 36936, 37476, 38880, 39558, 41040, 41640, 46170, 46845, 49248, 49968, 52744, 55520, 56214, 59337, 61560, 62460, 65930, 73872, 74952, 79116, 82080, 83280, 84321, 92340, 93690, 98895, 99936, 105488, 112428, 118674, 123120, 124920, 131860, 140535, 147744, 149904, 158232, 166560, 168642, 178011, 184680, 187380, 197790, 210976, 224856, 237348, 246240, 249840, 263720, 281070, 296685, 299808, 316464, 337284, 356022, 369360, 374760, 395580, 421605, 449712, 474696, 499680, 527440, 534033, 562140, 593370, 632928, 674568, 712044, 738720, 749520, 791160, 843210, 890055, 899424, 949392, 1054880, 1068066, 1124280, 1186740, 1349136, 1424088, 1499040, 1582320, 1602099, 1686420, 1780110, 1898784, 2136132, 2248560, 2373480, 2670165, 2698272, 2848176, 3164640, 3204198, 3372840, 3560220, 4272264, 4497120, 4746960, 5340330, 5696352, 6408396, 6745680, 7120440, 8010495, 8544528, 9493920, 10680660, 12816792, 13491360, 14240880, 16020990, 17089056, 21361320, 25633584, 28481760, 32041980, 42722640, 51267168, 64083960, 85445280, 128167920, 256335840]

約数ペア:

[(1, 256335840), (2, 128167920), (3, 85445280), (4, 64083960), (5, 51267168), (6, 42722640), (8, 32041980), (9, 28481760), (10, 25633584), (12, 21361320), (15, 17089056), (16, 16020990), (18, 14240880), (19, 13491360), (20, 12816792), (24, 10680660), (27, 9493920), (30, 8544528), (32, 8010495), (36, 7120440), (38, 6745680), (40, 6408396), (45, 5696352), (48, 5340330), (54, 4746960), (57, 4497120), (60, 4272264), (72, 3560220), (76, 3372840), (80, 3204198), (81, 3164640), (90, 2848176), (95, 2698272), (96, 2670165), (108, 2373480), (114, 2248560), (120, 2136132), (135, 1898784), (144, 1780110), (152, 1686420), (160, 1602099), (162, 1582320), (171, 1499040), (180, 1424088), (190, 1349136), (216, 1186740), (228, 1124280), (240, 1068066), (243, 1054880), (270, 949392), (285, 899424), (288, 890055), (304, 843210), (324, 791160), (342, 749520), (347, 738720), (360, 712044), (380, 674568), (405, 632928), (432, 593370), (456, 562140), (480, 534033), (486, 527440), (513, 499680), (540, 474696), (570, 449712), (608, 421605), (648, 395580), (684, 374760), (694, 369360), (720, 356022), (760, 337284), (810, 316464), (855, 299808), (864, 296685), (912, 281070), (972, 263720), (1026, 249840), (1041, 246240), (1080, 237348), (1140, 224856), (1215, 210976), (1296, 197790), (1368, 187380), (1388, 184680), (1440, 178011), (1520, 168642), (1539, 166560), (1620, 158232), (1710, 149904), (1735, 147744), (1824, 140535), (1944, 131860), (2052, 124920), (2082, 123120), (2160, 118674), (2280, 112428), (2430, 105488), (2565, 99936), (2592, 98895), (2736, 93690), (2776, 92340), (3040, 84321), (3078, 83280), (3123, 82080), (3240, 79116), (3420, 74952), (3470, 73872), (3888, 65930), (4104, 62460), (4164, 61560), (4320, 59337), (4560, 56214), (4617, 55520), (4860, 52744), (5130, 49968), (5205, 49248), (5472, 46845), (5552, 46170), (6156, 41640), (6246, 41040), (6480, 39558), (6593, 38880), (6840, 37476), (6940, 36936), (7695, 33312), (7776, 32965), (8208, 31230), (8328, 30780), (9120, 28107), (9234, 27760), (9369, 27360), (9720, 26372), (10260, 24984), (10410, 24624), (11104, 23085), (12312, 20820), (12492, 20520), (12960, 19779), (13186, 19440), (13680, 18738), (13880, 18468), (15390, 16656), (15615, 16416)]