521277680

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{157}}^1$

素因数の和:213

約数の個数: 240

約数和(自身を含む): 1563441600

約数和(自身を除く): 1042163920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 121, 140, 154, 157, 176, 196, 220, 242, 245, 280, 308, 314, 343, 385, 392, 440, 484, 490, 539, 560, 605, 616, 628, 686, 770, 784, 785, 847, 880, 968, 980, 1078, 1099, 1210, 1232, 1256, 1372, 1540, 1570, 1694, 1715, 1727, 1936, 1960, 2156, 2198, 2420, 2512, 2695, 2744, 3080, 3140, 3388, 3430, 3454, 3773, 3920, 4235, 4312, 4396, 4840, 5390, 5488, 5495, 5929, 6160, 6280, 6776, 6860, 6908, 7546, 7693, 8470, 8624, 8635, 8792, 9680, 10780, 10990, 11858, 12089, 12560, 13552, 13720, 13816, 15092, 15386, 16940, 17270, 17584, 18865, 18997, 21560, 21980, 23716, 24178, 27440, 27632, 29645, 30184, 30772, 33880, 34540, 37730, 37994, 38465, 41503, 43120, 43960, 47432, 48356, 53851, 59290, 60368, 60445, 61544, 67760, 69080, 75460, 75988, 76930, 83006, 84623, 87920, 94864, 94985, 96712, 107702, 118580, 120890, 123088, 132979, 138160, 150920, 151976, 153860, 166012, 169246, 189970, 193424, 207515, 215404, 237160, 241780, 265958, 269255, 301840, 303952, 307720, 332024, 338492, 379940, 415030, 423115, 430808, 474320, 483560, 531916, 538510, 592361, 615440, 664048, 664895, 676984, 759880, 830060, 846230, 861616, 930853, 967120, 1063832, 1077020, 1184722, 1329790, 1353968, 1519760, 1660120, 1692460, 1861706, 2127664, 2154040, 2369444, 2659580, 2961805, 3320240, 3384920, 3723412, 4308080, 4654265, 4738888, 5319160, 5923610, 6515971, 6769840, 7446824, 9308530, 9477776, 10638320, 11847220, 13031942, 14893648, 18617060, 23694440, 26063884, 32579855, 37234120, 47388880, 52127768, 65159710, 74468240, 104255536, 130319420, 260638840, 521277680]

約数ペア:

[(1, 521277680), (2, 260638840), (4, 130319420), (5, 104255536), (7, 74468240), (8, 65159710), (10, 52127768), (11, 47388880), (14, 37234120), (16, 32579855), (20, 26063884), (22, 23694440), (28, 18617060), (35, 14893648), (40, 13031942), (44, 11847220), (49, 10638320), (55, 9477776), (56, 9308530), (70, 7446824), (77, 6769840), (80, 6515971), (88, 5923610), (98, 5319160), (110, 4738888), (112, 4654265), (121, 4308080), (140, 3723412), (154, 3384920), (157, 3320240), (176, 2961805), (196, 2659580), (220, 2369444), (242, 2154040), (245, 2127664), (280, 1861706), (308, 1692460), (314, 1660120), (343, 1519760), (385, 1353968), (392, 1329790), (440, 1184722), (484, 1077020), (490, 1063832), (539, 967120), (560, 930853), (605, 861616), (616, 846230), (628, 830060), (686, 759880), (770, 676984), (784, 664895), (785, 664048), (847, 615440), (880, 592361), (968, 538510), (980, 531916), (1078, 483560), (1099, 474320), (1210, 430808), (1232, 423115), (1256, 415030), (1372, 379940), (1540, 338492), (1570, 332024), (1694, 307720), (1715, 303952), (1727, 301840), (1936, 269255), (1960, 265958), (2156, 241780), (2198, 237160), (2420, 215404), (2512, 207515), (2695, 193424), (2744, 189970), (3080, 169246), (3140, 166012), (3388, 153860), (3430, 151976), (3454, 150920), (3773, 138160), (3920, 132979), (4235, 123088), (4312, 120890), (4396, 118580), (4840, 107702), (5390, 96712), (5488, 94985), (5495, 94864), (5929, 87920), (6160, 84623), (6280, 83006), (6776, 76930), (6860, 75988), (6908, 75460), (7546, 69080), (7693, 67760), (8470, 61544), (8624, 60445), (8635, 60368), (8792, 59290), (9680, 53851), (10780, 48356), (10990, 47432), (11858, 43960), (12089, 43120), (12560, 41503), (13552, 38465), (13720, 37994), (13816, 37730), (15092, 34540), (15386, 33880), (16940, 30772), (17270, 30184), (17584, 29645), (18865, 27632), (18997, 27440), (21560, 24178), (21980, 23716)]