395515120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{449}}^1$

素因数の和:504

約数の個数: 240

約数和(自身を含む): 1246795200

約数和(自身を除く): 851280080

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, 121, 130, 140, 143, 154, 176, 182, 208, 220, 242, 260, 280, 286, 308, 364, 385, 440, 449, 455, 484, 520, 560, 572, 605, 616, 715, 728, 770, 847, 880, 898, 910, 968, 1001, 1040, 1144, 1210, 1232, 1430, 1456, 1540, 1573, 1694, 1796, 1820, 1936, 2002, 2245, 2288, 2420, 2860, 3080, 3143, 3146, 3388, 3592, 3640, 4004, 4235, 4490, 4840, 4939, 5005, 5720, 5837, 6160, 6286, 6292, 6776, 7184, 7280, 7865, 8008, 8470, 8980, 9680, 9878, 10010, 11011, 11440, 11674, 12572, 12584, 13552, 15715, 15730, 16016, 16940, 17960, 19756, 20020, 22022, 23348, 24695, 25144, 25168, 29185, 31430, 31460, 33880, 34573, 35920, 39512, 40040, 40859, 44044, 46696, 49390, 50288, 54329, 55055, 58370, 62860, 62920, 64207, 67760, 69146, 79024, 80080, 81718, 88088, 93392, 98780, 108658, 110110, 116740, 125720, 125840, 128414, 138292, 163436, 172865, 176176, 197560, 204295, 217316, 220220, 233480, 251440, 256828, 271645, 276584, 321035, 326872, 345730, 380303, 395120, 408590, 434632, 440440, 449449, 466960, 513656, 543290, 553168, 642070, 653744, 691460, 706277, 760606, 817180, 869264, 880880, 898898, 1027312, 1086580, 1284140, 1382920, 1412554, 1521212, 1634360, 1797796, 1901515, 2173160, 2247245, 2568280, 2765840, 2825108, 3042424, 3268720, 3531385, 3595592, 3803030, 4346320, 4494490, 4943939, 5136560, 5650216, 6084848, 7062770, 7191184, 7606060, 8988980, 9887878, 11300432, 14125540, 15212120, 17977960, 19775756, 24719695, 28251080, 30424240, 35955920, 39551512, 49439390, 56502160, 79103024, 98878780, 197757560, 395515120]

約数ペア:

[(1, 395515120), (2, 197757560), (4, 98878780), (5, 79103024), (7, 56502160), (8, 49439390), (10, 39551512), (11, 35955920), (13, 30424240), (14, 28251080), (16, 24719695), (20, 19775756), (22, 17977960), (26, 15212120), (28, 14125540), (35, 11300432), (40, 9887878), (44, 8988980), (52, 7606060), (55, 7191184), (56, 7062770), (65, 6084848), (70, 5650216), (77, 5136560), (80, 4943939), (88, 4494490), (91, 4346320), (104, 3803030), (110, 3595592), (112, 3531385), (121, 3268720), (130, 3042424), (140, 2825108), (143, 2765840), (154, 2568280), (176, 2247245), (182, 2173160), (208, 1901515), (220, 1797796), (242, 1634360), (260, 1521212), (280, 1412554), (286, 1382920), (308, 1284140), (364, 1086580), (385, 1027312), (440, 898898), (449, 880880), (455, 869264), (484, 817180), (520, 760606), (560, 706277), (572, 691460), (605, 653744), (616, 642070), (715, 553168), (728, 543290), (770, 513656), (847, 466960), (880, 449449), (898, 440440), (910, 434632), (968, 408590), (1001, 395120), (1040, 380303), (1144, 345730), (1210, 326872), (1232, 321035), (1430, 276584), (1456, 271645), (1540, 256828), (1573, 251440), (1694, 233480), (1796, 220220), (1820, 217316), (1936, 204295), (2002, 197560), (2245, 176176), (2288, 172865), (2420, 163436), (2860, 138292), (3080, 128414), (3143, 125840), (3146, 125720), (3388, 116740), (3592, 110110), (3640, 108658), (4004, 98780), (4235, 93392), (4490, 88088), (4840, 81718), (4939, 80080), (5005, 79024), (5720, 69146), (5837, 67760), (6160, 64207), (6286, 62920), (6292, 62860), (6776, 58370), (7184, 55055), (7280, 54329), (7865, 50288), (8008, 49390), (8470, 46696), (8980, 44044), (9680, 40859), (9878, 40040), (10010, 39512), (11011, 35920), (11440, 34573), (11674, 33880), (12572, 31460), (12584, 31430), (13552, 29185), (15715, 25168), (15730, 25144), (16016, 24695), (16940, 23348), (17960, 22022), (19756, 20020)]