645986016

素因数分解:

$2^5\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1009}}^1$

素因数の和:1063

約数の個数: 240

約数和(自身を含む): 2155784400

約数和(自身を除く): 1509798384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 27, 32, 36, 38, 39, 48, 52, 54, 57, 72, 76, 78, 81, 96, 104, 108, 114, 117, 144, 152, 156, 162, 171, 208, 216, 228, 234, 247, 288, 304, 312, 324, 342, 351, 416, 432, 456, 468, 494, 513, 608, 624, 648, 684, 702, 741, 864, 912, 936, 988, 1009, 1026, 1053, 1248, 1296, 1368, 1404, 1482, 1539, 1824, 1872, 1976, 2018, 2052, 2106, 2223, 2592, 2736, 2808, 2964, 3027, 3078, 3744, 3952, 4036, 4104, 4212, 4446, 5472, 5616, 5928, 6054, 6156, 6669, 7904, 8072, 8208, 8424, 8892, 9081, 11232, 11856, 12108, 12312, 13117, 13338, 16144, 16416, 16848, 17784, 18162, 19171, 20007, 23712, 24216, 24624, 26234, 26676, 27243, 32288, 33696, 35568, 36324, 38342, 39351, 40014, 48432, 49248, 52468, 53352, 54486, 57513, 71136, 72648, 76684, 78702, 80028, 81729, 96864, 104936, 106704, 108972, 115026, 118053, 145296, 153368, 157404, 160056, 163458, 172539, 209872, 213408, 217944, 230052, 236106, 249223, 290592, 306736, 314808, 320112, 326916, 345078, 354159, 419744, 435888, 460104, 472212, 498446, 517617, 613472, 629616, 640224, 653832, 690156, 708318, 747669, 871776, 920208, 944424, 996892, 1035234, 1062477, 1259232, 1307664, 1380312, 1416636, 1495338, 1552851, 1840416, 1888848, 1993784, 2070468, 2124954, 2243007, 2615328, 2760624, 2833272, 2990676, 3105702, 3777696, 3987568, 4140936, 4249908, 4486014, 5521248, 5666544, 5981352, 6211404, 6729021, 7975136, 8281872, 8499816, 8972028, 11333088, 11962704, 12422808, 13458042, 16563744, 16999632, 17944056, 20187063, 23925408, 24845616, 26916084, 33999264, 35888112, 40374126, 49691232, 53832168, 71776224, 80748252, 107664336, 161496504, 215328672, 322993008, 645986016]

約数ペア:

[(1, 645986016), (2, 322993008), (3, 215328672), (4, 161496504), (6, 107664336), (8, 80748252), (9, 71776224), (12, 53832168), (13, 49691232), (16, 40374126), (18, 35888112), (19, 33999264), (24, 26916084), (26, 24845616), (27, 23925408), (32, 20187063), (36, 17944056), (38, 16999632), (39, 16563744), (48, 13458042), (52, 12422808), (54, 11962704), (57, 11333088), (72, 8972028), (76, 8499816), (78, 8281872), (81, 7975136), (96, 6729021), (104, 6211404), (108, 5981352), (114, 5666544), (117, 5521248), (144, 4486014), (152, 4249908), (156, 4140936), (162, 3987568), (171, 3777696), (208, 3105702), (216, 2990676), (228, 2833272), (234, 2760624), (247, 2615328), (288, 2243007), (304, 2124954), (312, 2070468), (324, 1993784), (342, 1888848), (351, 1840416), (416, 1552851), (432, 1495338), (456, 1416636), (468, 1380312), (494, 1307664), (513, 1259232), (608, 1062477), (624, 1035234), (648, 996892), (684, 944424), (702, 920208), (741, 871776), (864, 747669), (912, 708318), (936, 690156), (988, 653832), (1009, 640224), (1026, 629616), (1053, 613472), (1248, 517617), (1296, 498446), (1368, 472212), (1404, 460104), (1482, 435888), (1539, 419744), (1824, 354159), (1872, 345078), (1976, 326916), (2018, 320112), (2052, 314808), (2106, 306736), (2223, 290592), (2592, 249223), (2736, 236106), (2808, 230052), (2964, 217944), (3027, 213408), (3078, 209872), (3744, 172539), (3952, 163458), (4036, 160056), (4104, 157404), (4212, 153368), (4446, 145296), (5472, 118053), (5616, 115026), (5928, 108972), (6054, 106704), (6156, 104936), (6669, 96864), (7904, 81729), (8072, 80028), (8208, 78702), (8424, 76684), (8892, 72648), (9081, 71136), (11232, 57513), (11856, 54486), (12108, 53352), (12312, 52468), (13117, 49248), (13338, 48432), (16144, 40014), (16416, 39351), (16848, 38342), (17784, 36324), (18162, 35568), (19171, 33696), (20007, 32288), (23712, 27243), (24216, 26676), (24624, 26234)]