254165280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:128

約数の個数: 288

約数和(自身を含む): 900849600

約数和(自身を除く): 646684320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 29, 30, 31, 32, 38, 40, 48, 57, 58, 60, 62, 76, 80, 87, 93, 95, 96, 114, 116, 120, 124, 145, 152, 155, 160, 174, 186, 190, 228, 232, 240, 248, 285, 290, 304, 310, 348, 372, 380, 435, 456, 464, 465, 480, 496, 551, 570, 580, 589, 608, 620, 696, 744, 760, 870, 899, 912, 928, 930, 961, 992, 1102, 1140, 1160, 1178, 1240, 1392, 1488, 1520, 1653, 1740, 1767, 1798, 1824, 1860, 1922, 2204, 2280, 2320, 2356, 2480, 2697, 2755, 2784, 2883, 2945, 2976, 3040, 3306, 3480, 3534, 3596, 3720, 3844, 4408, 4495, 4560, 4640, 4712, 4805, 4960, 5394, 5510, 5766, 5890, 6612, 6960, 7068, 7192, 7440, 7688, 8265, 8816, 8835, 8990, 9120, 9424, 9610, 10788, 11020, 11532, 11780, 13224, 13485, 13920, 14136, 14384, 14415, 14880, 15376, 16530, 17081, 17632, 17670, 17980, 18259, 18848, 19220, 21576, 22040, 23064, 23560, 26448, 26970, 27869, 28272, 28768, 28830, 30752, 33060, 34162, 35340, 35960, 36518, 38440, 43152, 44080, 46128, 47120, 51243, 52896, 53940, 54777, 55738, 56544, 57660, 66120, 68324, 70680, 71920, 73036, 76880, 83607, 85405, 86304, 88160, 91295, 92256, 94240, 102486, 107880, 109554, 111476, 115320, 132240, 136648, 139345, 141360, 143840, 146072, 153760, 167214, 170810, 182590, 204972, 215760, 219108, 222952, 230640, 256215, 264480, 273296, 273885, 278690, 282720, 292144, 334428, 341620, 365180, 409944, 418035, 431520, 438216, 445904, 461280, 512430, 529511, 546592, 547770, 557380, 584288, 668856, 683240, 730360, 819888, 836070, 876432, 891808, 1024860, 1059022, 1095540, 1114760, 1337712, 1366480, 1460720, 1588533, 1639776, 1672140, 1752864, 2049720, 2118044, 2191080, 2229520, 2647555, 2675424, 2732960, 2921440, 3177066, 3344280, 4099440, 4236088, 4382160, 4459040, 5295110, 6354132, 6688560, 7942665, 8198880, 8472176, 8764320, 10590220, 12708264, 13377120, 15885330, 16944352, 21180440, 25416528, 31770660, 42360880, 50833056, 63541320, 84721760, 127082640, 254165280]

約数ペア:

[(1, 254165280), (2, 127082640), (3, 84721760), (4, 63541320), (5, 50833056), (6, 42360880), (8, 31770660), (10, 25416528), (12, 21180440), (15, 16944352), (16, 15885330), (19, 13377120), (20, 12708264), (24, 10590220), (29, 8764320), (30, 8472176), (31, 8198880), (32, 7942665), (38, 6688560), (40, 6354132), (48, 5295110), (57, 4459040), (58, 4382160), (60, 4236088), (62, 4099440), (76, 3344280), (80, 3177066), (87, 2921440), (93, 2732960), (95, 2675424), (96, 2647555), (114, 2229520), (116, 2191080), (120, 2118044), (124, 2049720), (145, 1752864), (152, 1672140), (155, 1639776), (160, 1588533), (174, 1460720), (186, 1366480), (190, 1337712), (228, 1114760), (232, 1095540), (240, 1059022), (248, 1024860), (285, 891808), (290, 876432), (304, 836070), (310, 819888), (348, 730360), (372, 683240), (380, 668856), (435, 584288), (456, 557380), (464, 547770), (465, 546592), (480, 529511), (496, 512430), (551, 461280), (570, 445904), (580, 438216), (589, 431520), (608, 418035), (620, 409944), (696, 365180), (744, 341620), (760, 334428), (870, 292144), (899, 282720), (912, 278690), (928, 273885), (930, 273296), (961, 264480), (992, 256215), (1102, 230640), (1140, 222952), (1160, 219108), (1178, 215760), (1240, 204972), (1392, 182590), (1488, 170810), (1520, 167214), (1653, 153760), (1740, 146072), (1767, 143840), (1798, 141360), (1824, 139345), (1860, 136648), (1922, 132240), (2204, 115320), (2280, 111476), (2320, 109554), (2356, 107880), (2480, 102486), (2697, 94240), (2755, 92256), (2784, 91295), (2883, 88160), (2945, 86304), (2976, 85405), (3040, 83607), (3306, 76880), (3480, 73036), (3534, 71920), (3596, 70680), (3720, 68324), (3844, 66120), (4408, 57660), (4495, 56544), (4560, 55738), (4640, 54777), (4712, 53940), (4805, 52896), (4960, 51243), (5394, 47120), (5510, 46128), (5766, 44080), (5890, 43152), (6612, 38440), (6960, 36518), (7068, 35960), (7192, 35340), (7440, 34162), (7688, 33060), (8265, 30752), (8816, 28830), (8835, 28768), (8990, 28272), (9120, 27869), (9424, 26970), (9610, 26448), (10788, 23560), (11020, 23064), (11532, 22040), (11780, 21576), (13224, 19220), (13485, 18848), (13920, 18259), (14136, 17980), (14384, 17670), (14415, 17632), (14880, 17081), (15376, 16530)]