256322160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1$

素因数の和:536

約数の個数: 240

約数和(自身を含む): 930252960

約数和(自身を除く): 673930800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 41, 45, 48, 57, 60, 72, 76, 80, 82, 90, 95, 114, 120, 123, 144, 152, 164, 171, 180, 190, 205, 228, 240, 246, 285, 304, 328, 342, 360, 369, 380, 410, 456, 457, 492, 570, 615, 656, 684, 720, 738, 760, 779, 820, 855, 912, 914, 984, 1140, 1230, 1368, 1371, 1476, 1520, 1558, 1640, 1710, 1828, 1845, 1968, 2280, 2285, 2337, 2460, 2736, 2742, 2952, 3116, 3280, 3420, 3656, 3690, 3895, 4113, 4560, 4570, 4674, 4920, 5484, 5904, 6232, 6840, 6855, 7011, 7312, 7380, 7790, 8226, 8683, 9140, 9348, 9840, 10968, 11685, 12464, 13680, 13710, 14022, 14760, 15580, 16452, 17366, 18280, 18696, 18737, 20565, 21936, 23370, 26049, 27420, 28044, 29520, 31160, 32904, 34732, 35055, 36560, 37392, 37474, 41130, 43415, 46740, 52098, 54840, 56088, 56211, 62320, 65808, 69464, 70110, 74948, 78147, 82260, 86830, 93480, 93685, 104196, 109680, 112176, 112422, 130245, 138928, 140220, 149896, 156294, 164520, 168633, 173660, 186960, 187370, 208392, 224844, 260490, 280440, 281055, 299792, 312588, 329040, 337266, 347320, 356003, 374740, 390735, 416784, 449688, 520980, 560880, 562110, 625176, 674532, 694640, 712006, 749480, 781470, 843165, 899376, 1041960, 1068009, 1124220, 1250352, 1349064, 1424012, 1498960, 1562940, 1686330, 1780015, 2083920, 2136018, 2248440, 2698128, 2848024, 3125880, 3204027, 3372660, 3560030, 4272036, 4496880, 5340045, 5696048, 6251760, 6408054, 6745320, 7120060, 8544072, 10680090, 12816108, 13490640, 14240120, 16020135, 17088144, 21360180, 25632216, 28480240, 32040270, 42720360, 51264432, 64080540, 85440720, 128161080, 256322160]

約数ペア:

[(1, 256322160), (2, 128161080), (3, 85440720), (4, 64080540), (5, 51264432), (6, 42720360), (8, 32040270), (9, 28480240), (10, 25632216), (12, 21360180), (15, 17088144), (16, 16020135), (18, 14240120), (19, 13490640), (20, 12816108), (24, 10680090), (30, 8544072), (36, 7120060), (38, 6745320), (40, 6408054), (41, 6251760), (45, 5696048), (48, 5340045), (57, 4496880), (60, 4272036), (72, 3560030), (76, 3372660), (80, 3204027), (82, 3125880), (90, 2848024), (95, 2698128), (114, 2248440), (120, 2136018), (123, 2083920), (144, 1780015), (152, 1686330), (164, 1562940), (171, 1498960), (180, 1424012), (190, 1349064), (205, 1250352), (228, 1124220), (240, 1068009), (246, 1041960), (285, 899376), (304, 843165), (328, 781470), (342, 749480), (360, 712006), (369, 694640), (380, 674532), (410, 625176), (456, 562110), (457, 560880), (492, 520980), (570, 449688), (615, 416784), (656, 390735), (684, 374740), (720, 356003), (738, 347320), (760, 337266), (779, 329040), (820, 312588), (855, 299792), (912, 281055), (914, 280440), (984, 260490), (1140, 224844), (1230, 208392), (1368, 187370), (1371, 186960), (1476, 173660), (1520, 168633), (1558, 164520), (1640, 156294), (1710, 149896), (1828, 140220), (1845, 138928), (1968, 130245), (2280, 112422), (2285, 112176), (2337, 109680), (2460, 104196), (2736, 93685), (2742, 93480), (2952, 86830), (3116, 82260), (3280, 78147), (3420, 74948), (3656, 70110), (3690, 69464), (3895, 65808), (4113, 62320), (4560, 56211), (4570, 56088), (4674, 54840), (4920, 52098), (5484, 46740), (5904, 43415), (6232, 41130), (6840, 37474), (6855, 37392), (7011, 36560), (7312, 35055), (7380, 34732), (7790, 32904), (8226, 31160), (8683, 29520), (9140, 28044), (9348, 27420), (9840, 26049), (10968, 23370), (11685, 21936), (12464, 20565), (13680, 18737), (13710, 18696), (14022, 18280), (14760, 17366), (15580, 16452)]