755320720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:270

約数の個数: 240

約数和(自身を含む): 2251355904

約数和(自身を除く): 1496035184

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 71, 77, 80, 88, 110, 112, 121, 140, 142, 154, 157, 176, 220, 242, 280, 284, 308, 314, 355, 385, 440, 484, 497, 560, 568, 605, 616, 628, 710, 770, 781, 785, 847, 880, 968, 994, 1099, 1136, 1210, 1232, 1256, 1420, 1540, 1562, 1570, 1694, 1727, 1936, 1988, 2198, 2420, 2485, 2512, 2840, 3080, 3124, 3140, 3388, 3454, 3905, 3976, 4235, 4396, 4840, 4970, 5467, 5495, 5680, 6160, 6248, 6280, 6776, 6908, 7810, 7952, 8470, 8591, 8635, 8792, 9680, 9940, 10934, 10990, 11147, 12089, 12496, 12560, 13552, 13816, 15620, 16940, 17182, 17270, 17584, 18997, 19880, 21868, 21980, 22294, 24178, 27335, 27632, 31240, 33880, 34364, 34540, 37994, 39760, 42955, 43736, 43960, 44588, 48356, 54670, 55735, 60137, 60445, 62480, 67760, 68728, 69080, 75988, 78029, 85910, 87472, 87920, 89176, 94985, 96712, 109340, 111470, 120274, 120890, 122617, 132979, 137456, 138160, 151976, 156058, 171820, 178352, 189970, 193424, 218680, 222940, 240548, 241780, 245234, 265958, 300685, 303952, 312116, 343640, 379940, 390145, 437360, 445880, 481096, 483560, 490468, 531916, 601370, 613085, 624232, 664895, 687280, 759880, 780290, 858319, 891760, 962192, 967120, 980936, 1063832, 1202740, 1226170, 1248464, 1329790, 1348787, 1519760, 1560580, 1716638, 1961872, 2127664, 2405480, 2452340, 2659580, 2697574, 3121160, 3433276, 4291595, 4810960, 4904680, 5319160, 5395148, 6242320, 6743935, 6866552, 8583190, 9441509, 9809360, 10638320, 10790296, 13487870, 13733104, 17166380, 18883018, 21580592, 26975740, 34332760, 37766036, 47207545, 53951480, 68665520, 75532072, 94415090, 107902960, 151064144, 188830180, 377660360, 755320720]

約数ペア:

[(1, 755320720), (2, 377660360), (4, 188830180), (5, 151064144), (7, 107902960), (8, 94415090), (10, 75532072), (11, 68665520), (14, 53951480), (16, 47207545), (20, 37766036), (22, 34332760), (28, 26975740), (35, 21580592), (40, 18883018), (44, 17166380), (55, 13733104), (56, 13487870), (70, 10790296), (71, 10638320), (77, 9809360), (80, 9441509), (88, 8583190), (110, 6866552), (112, 6743935), (121, 6242320), (140, 5395148), (142, 5319160), (154, 4904680), (157, 4810960), (176, 4291595), (220, 3433276), (242, 3121160), (280, 2697574), (284, 2659580), (308, 2452340), (314, 2405480), (355, 2127664), (385, 1961872), (440, 1716638), (484, 1560580), (497, 1519760), (560, 1348787), (568, 1329790), (605, 1248464), (616, 1226170), (628, 1202740), (710, 1063832), (770, 980936), (781, 967120), (785, 962192), (847, 891760), (880, 858319), (968, 780290), (994, 759880), (1099, 687280), (1136, 664895), (1210, 624232), (1232, 613085), (1256, 601370), (1420, 531916), (1540, 490468), (1562, 483560), (1570, 481096), (1694, 445880), (1727, 437360), (1936, 390145), (1988, 379940), (2198, 343640), (2420, 312116), (2485, 303952), (2512, 300685), (2840, 265958), (3080, 245234), (3124, 241780), (3140, 240548), (3388, 222940), (3454, 218680), (3905, 193424), (3976, 189970), (4235, 178352), (4396, 171820), (4840, 156058), (4970, 151976), (5467, 138160), (5495, 137456), (5680, 132979), (6160, 122617), (6248, 120890), (6280, 120274), (6776, 111470), (6908, 109340), (7810, 96712), (7952, 94985), (8470, 89176), (8591, 87920), (8635, 87472), (8792, 85910), (9680, 78029), (9940, 75988), (10934, 69080), (10990, 68728), (11147, 67760), (12089, 62480), (12496, 60445), (12560, 60137), (13552, 55735), (13816, 54670), (15620, 48356), (16940, 44588), (17182, 43960), (17270, 43736), (17584, 42955), (18997, 39760), (19880, 37994), (21868, 34540), (21980, 34364), (22294, 33880), (24178, 31240), (27335, 27632)]