256299360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:373

約数の個数: 192

約数和(自身を含む): 860025600

約数和(自身を除く): 603726240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 157, 160, 179, 190, 228, 240, 285, 304, 314, 358, 380, 456, 471, 480, 537, 570, 608, 628, 716, 760, 785, 895, 912, 942, 1074, 1140, 1256, 1432, 1520, 1570, 1790, 1824, 1884, 2148, 2280, 2355, 2512, 2685, 2864, 2983, 3040, 3140, 3401, 3580, 3768, 4296, 4560, 4710, 5024, 5370, 5728, 5966, 6280, 6802, 7160, 7536, 8592, 8949, 9120, 9420, 10203, 10740, 11932, 12560, 13604, 14320, 14915, 15072, 17005, 17184, 17898, 18840, 20406, 21480, 23864, 25120, 27208, 28103, 28640, 29830, 34010, 35796, 37680, 40812, 42960, 44745, 47728, 51015, 54416, 56206, 59660, 68020, 71592, 75360, 81624, 84309, 85920, 89490, 95456, 102030, 108832, 112412, 119320, 136040, 140515, 143184, 163248, 168618, 178980, 204060, 224824, 238640, 272080, 281030, 286368, 326496, 337236, 357960, 408120, 421545, 449648, 477280, 533957, 544160, 562060, 674472, 715920, 816240, 843090, 899296, 1067914, 1124120, 1348944, 1431840, 1601871, 1632480, 1686180, 2135828, 2248240, 2669785, 2697888, 3203742, 3372360, 4271656, 4496480, 5339570, 6407484, 6744720, 8009355, 8543312, 10679140, 12814968, 13489440, 16018710, 17086624, 21358280, 25629936, 32037420, 42716560, 51259872, 64074840, 85433120, 128149680, 256299360]

約数ペア:

[(1, 256299360), (2, 128149680), (3, 85433120), (4, 64074840), (5, 51259872), (6, 42716560), (8, 32037420), (10, 25629936), (12, 21358280), (15, 17086624), (16, 16018710), (19, 13489440), (20, 12814968), (24, 10679140), (30, 8543312), (32, 8009355), (38, 6744720), (40, 6407484), (48, 5339570), (57, 4496480), (60, 4271656), (76, 3372360), (80, 3203742), (95, 2697888), (96, 2669785), (114, 2248240), (120, 2135828), (152, 1686180), (157, 1632480), (160, 1601871), (179, 1431840), (190, 1348944), (228, 1124120), (240, 1067914), (285, 899296), (304, 843090), (314, 816240), (358, 715920), (380, 674472), (456, 562060), (471, 544160), (480, 533957), (537, 477280), (570, 449648), (608, 421545), (628, 408120), (716, 357960), (760, 337236), (785, 326496), (895, 286368), (912, 281030), (942, 272080), (1074, 238640), (1140, 224824), (1256, 204060), (1432, 178980), (1520, 168618), (1570, 163248), (1790, 143184), (1824, 140515), (1884, 136040), (2148, 119320), (2280, 112412), (2355, 108832), (2512, 102030), (2685, 95456), (2864, 89490), (2983, 85920), (3040, 84309), (3140, 81624), (3401, 75360), (3580, 71592), (3768, 68020), (4296, 59660), (4560, 56206), (4710, 54416), (5024, 51015), (5370, 47728), (5728, 44745), (5966, 42960), (6280, 40812), (6802, 37680), (7160, 35796), (7536, 34010), (8592, 29830), (8949, 28640), (9120, 28103), (9420, 27208), (10203, 25120), (10740, 23864), (11932, 21480), (12560, 20406), (13604, 18840), (14320, 17898), (14915, 17184), (15072, 17005)]