257584140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:253

約数の個数: 288

約数和(自身を含む): 924618240

約数和(自身を除く): 667034100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 41, 44, 45, 55, 57, 60, 66, 76, 82, 90, 95, 99, 110, 114, 123, 132, 164, 165, 167, 171, 180, 190, 198, 205, 209, 220, 228, 246, 285, 330, 334, 342, 369, 380, 396, 410, 418, 451, 492, 495, 501, 570, 615, 627, 660, 668, 684, 738, 779, 820, 835, 836, 855, 902, 990, 1002, 1045, 1140, 1230, 1254, 1353, 1476, 1503, 1558, 1670, 1710, 1804, 1837, 1845, 1881, 1980, 2004, 2090, 2255, 2337, 2460, 2505, 2508, 2706, 3006, 3116, 3135, 3173, 3340, 3420, 3674, 3690, 3762, 3895, 4059, 4180, 4510, 4674, 5010, 5412, 5511, 6012, 6270, 6346, 6765, 6847, 7011, 7348, 7380, 7515, 7524, 7790, 8118, 8569, 9020, 9185, 9348, 9405, 9519, 10020, 11022, 11685, 12540, 12692, 13530, 13694, 14022, 15030, 15580, 15865, 16236, 16533, 17138, 18370, 18810, 19038, 20295, 20541, 22044, 23370, 25707, 27060, 27388, 27555, 28044, 28557, 30060, 31730, 33066, 34235, 34276, 34903, 35055, 36740, 37620, 38076, 40590, 41082, 42845, 46740, 47595, 51414, 55110, 57114, 61623, 63460, 66132, 68470, 69806, 70110, 75317, 77121, 81180, 82164, 82665, 85690, 95190, 102705, 102828, 104709, 110220, 114228, 123246, 128535, 130093, 136940, 139612, 140220, 142785, 150634, 154242, 165330, 171380, 174515, 190380, 205410, 209418, 225951, 246492, 257070, 260186, 285570, 301268, 308115, 308484, 314127, 330660, 349030, 376585, 385605, 390279, 410820, 418836, 451902, 514140, 520372, 523545, 571140, 616230, 628254, 650465, 677853, 698060, 753170, 771210, 780558, 903804, 1047090, 1129755, 1170837, 1232460, 1256508, 1300930, 1355706, 1431023, 1506340, 1542420, 1561116, 1570635, 1951395, 2094180, 2259510, 2341674, 2601860, 2711412, 2862046, 3141270, 3389265, 3902790, 4293069, 4519020, 4683348, 5724092, 5854185, 6282540, 6778530, 7155115, 7805580, 8586138, 11708370, 12879207, 13557060, 14310230, 17172276, 21465345, 23416740, 25758414, 28620460, 42930690, 51516828, 64396035, 85861380, 128792070, 257584140]

約数ペア:

[(1, 257584140), (2, 128792070), (3, 85861380), (4, 64396035), (5, 51516828), (6, 42930690), (9, 28620460), (10, 25758414), (11, 23416740), (12, 21465345), (15, 17172276), (18, 14310230), (19, 13557060), (20, 12879207), (22, 11708370), (30, 8586138), (33, 7805580), (36, 7155115), (38, 6778530), (41, 6282540), (44, 5854185), (45, 5724092), (55, 4683348), (57, 4519020), (60, 4293069), (66, 3902790), (76, 3389265), (82, 3141270), (90, 2862046), (95, 2711412), (99, 2601860), (110, 2341674), (114, 2259510), (123, 2094180), (132, 1951395), (164, 1570635), (165, 1561116), (167, 1542420), (171, 1506340), (180, 1431023), (190, 1355706), (198, 1300930), (205, 1256508), (209, 1232460), (220, 1170837), (228, 1129755), (246, 1047090), (285, 903804), (330, 780558), (334, 771210), (342, 753170), (369, 698060), (380, 677853), (396, 650465), (410, 628254), (418, 616230), (451, 571140), (492, 523545), (495, 520372), (501, 514140), (570, 451902), (615, 418836), (627, 410820), (660, 390279), (668, 385605), (684, 376585), (738, 349030), (779, 330660), (820, 314127), (835, 308484), (836, 308115), (855, 301268), (902, 285570), (990, 260186), (1002, 257070), (1045, 246492), (1140, 225951), (1230, 209418), (1254, 205410), (1353, 190380), (1476, 174515), (1503, 171380), (1558, 165330), (1670, 154242), (1710, 150634), (1804, 142785), (1837, 140220), (1845, 139612), (1881, 136940), (1980, 130093), (2004, 128535), (2090, 123246), (2255, 114228), (2337, 110220), (2460, 104709), (2505, 102828), (2508, 102705), (2706, 95190), (3006, 85690), (3116, 82665), (3135, 82164), (3173, 81180), (3340, 77121), (3420, 75317), (3674, 70110), (3690, 69806), (3762, 68470), (3895, 66132), (4059, 63460), (4180, 61623), (4510, 57114), (4674, 55110), (5010, 51414), (5412, 47595), (5511, 46740), (6012, 42845), (6270, 41082), (6346, 40590), (6765, 38076), (6847, 37620), (7011, 36740), (7348, 35055), (7380, 34903), (7515, 34276), (7524, 34235), (7790, 33066), (8118, 31730), (8569, 30060), (9020, 28557), (9185, 28044), (9348, 27555), (9405, 27388), (9519, 27060), (10020, 25707), (11022, 23370), (11685, 22044), (12540, 20541), (12692, 20295), (13530, 19038), (13694, 18810), (14022, 18370), (15030, 17138), (15580, 16533), (15865, 16236)]