319599280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{307}}^1$

素因数の和:364

約数の個数: 240

約数和(自身を含む): 1006435584

約数和(自身を除く): 686836304

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 169, 176, 182, 208, 220, 260, 280, 286, 307, 308, 338, 364, 385, 440, 455, 520, 560, 572, 614, 616, 676, 715, 728, 770, 845, 880, 910, 1001, 1040, 1144, 1183, 1228, 1232, 1352, 1430, 1456, 1535, 1540, 1690, 1820, 1859, 2002, 2149, 2288, 2366, 2456, 2704, 2860, 3070, 3080, 3377, 3380, 3640, 3718, 3991, 4004, 4298, 4732, 4912, 5005, 5720, 5915, 6140, 6160, 6754, 6760, 7280, 7436, 7982, 8008, 8596, 9295, 9464, 10010, 10745, 11440, 11830, 12280, 13013, 13508, 13520, 14872, 15964, 16016, 16885, 17192, 18590, 18928, 19955, 20020, 21490, 23639, 23660, 24560, 26026, 27016, 27937, 29744, 31928, 33770, 34384, 37180, 39910, 40040, 42980, 43901, 47278, 47320, 51883, 52052, 54032, 55874, 63856, 65065, 67540, 74360, 79820, 80080, 85960, 87802, 94556, 94640, 103766, 104104, 111748, 118195, 130130, 135080, 139685, 148720, 159640, 171920, 175604, 189112, 207532, 208208, 219505, 223496, 236390, 259415, 260260, 270160, 279370, 307307, 319280, 351208, 363181, 378224, 415064, 439010, 446992, 472780, 518830, 520520, 558740, 570713, 614614, 702416, 726362, 830128, 878020, 945560, 1037660, 1041040, 1117480, 1141426, 1229228, 1452724, 1536535, 1756040, 1815905, 1891120, 2075320, 2234960, 2282852, 2458456, 2853565, 2905448, 3073070, 3512080, 3631810, 3994991, 4150640, 4565704, 4916912, 5707130, 5810896, 6146140, 7263620, 7989982, 9131408, 11414260, 12292280, 14527240, 15979964, 19974955, 22828520, 24584560, 29054480, 31959928, 39949910, 45657040, 63919856, 79899820, 159799640, 319599280]

約数ペア:

[(1, 319599280), (2, 159799640), (4, 79899820), (5, 63919856), (7, 45657040), (8, 39949910), (10, 31959928), (11, 29054480), (13, 24584560), (14, 22828520), (16, 19974955), (20, 15979964), (22, 14527240), (26, 12292280), (28, 11414260), (35, 9131408), (40, 7989982), (44, 7263620), (52, 6146140), (55, 5810896), (56, 5707130), (65, 4916912), (70, 4565704), (77, 4150640), (80, 3994991), (88, 3631810), (91, 3512080), (104, 3073070), (110, 2905448), (112, 2853565), (130, 2458456), (140, 2282852), (143, 2234960), (154, 2075320), (169, 1891120), (176, 1815905), (182, 1756040), (208, 1536535), (220, 1452724), (260, 1229228), (280, 1141426), (286, 1117480), (307, 1041040), (308, 1037660), (338, 945560), (364, 878020), (385, 830128), (440, 726362), (455, 702416), (520, 614614), (560, 570713), (572, 558740), (614, 520520), (616, 518830), (676, 472780), (715, 446992), (728, 439010), (770, 415064), (845, 378224), (880, 363181), (910, 351208), (1001, 319280), (1040, 307307), (1144, 279370), (1183, 270160), (1228, 260260), (1232, 259415), (1352, 236390), (1430, 223496), (1456, 219505), (1535, 208208), (1540, 207532), (1690, 189112), (1820, 175604), (1859, 171920), (2002, 159640), (2149, 148720), (2288, 139685), (2366, 135080), (2456, 130130), (2704, 118195), (2860, 111748), (3070, 104104), (3080, 103766), (3377, 94640), (3380, 94556), (3640, 87802), (3718, 85960), (3991, 80080), (4004, 79820), (4298, 74360), (4732, 67540), (4912, 65065), (5005, 63856), (5720, 55874), (5915, 54032), (6140, 52052), (6160, 51883), (6754, 47320), (6760, 47278), (7280, 43901), (7436, 42980), (7982, 40040), (8008, 39910), (8596, 37180), (9295, 34384), (9464, 33770), (10010, 31928), (10745, 29744), (11440, 27937), (11830, 27016), (12280, 26026), (13013, 24560), (13508, 23660), (13520, 23639), (14872, 21490), (15964, 20020), (16016, 19955), (16885, 18928), (17192, 18590)]