218805440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:215

約数の個数: 224

約数和(自身を含む): 646078464

約数和(自身を除く): 427273024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 32, 35, 40, 46, 56, 62, 64, 70, 80, 92, 112, 115, 124, 137, 140, 155, 160, 161, 184, 217, 224, 230, 248, 274, 280, 310, 320, 322, 368, 434, 448, 460, 496, 548, 560, 620, 644, 685, 713, 736, 805, 868, 920, 959, 992, 1085, 1096, 1120, 1240, 1288, 1370, 1426, 1472, 1610, 1736, 1840, 1918, 1984, 2170, 2192, 2240, 2480, 2576, 2740, 2852, 3151, 3220, 3472, 3565, 3680, 3836, 4247, 4340, 4384, 4795, 4960, 4991, 5152, 5480, 5704, 6302, 6440, 6944, 7130, 7360, 7672, 8494, 8680, 8768, 9590, 9920, 9982, 10304, 10960, 11408, 12604, 12880, 13888, 14260, 15344, 15755, 16988, 17360, 19180, 19964, 21235, 21920, 22057, 22816, 24955, 25208, 25760, 28520, 29729, 30688, 31510, 33976, 34720, 38360, 39928, 42470, 43840, 44114, 45632, 49910, 50416, 51520, 57040, 59458, 61376, 63020, 67952, 69440, 76720, 79856, 84940, 88228, 97681, 99820, 100832, 110285, 114080, 118916, 126040, 135904, 148645, 153440, 159712, 169880, 176456, 195362, 199640, 201664, 220570, 228160, 237832, 252080, 271808, 297290, 306880, 319424, 339760, 352912, 390724, 399280, 441140, 475664, 488405, 504160, 594580, 679520, 683767, 705824, 781448, 798560, 882280, 951328, 976810, 1008320, 1189160, 1359040, 1367534, 1411648, 1562896, 1597120, 1764560, 1902656, 1953620, 2378320, 2735068, 3125792, 3418835, 3529120, 3907240, 4756640, 5470136, 6251584, 6837670, 7058240, 7814480, 9513280, 10940272, 13675340, 15628960, 21880544, 27350680, 31257920, 43761088, 54701360, 109402720, 218805440]

約数ペア:

[(1, 218805440), (2, 109402720), (4, 54701360), (5, 43761088), (7, 31257920), (8, 27350680), (10, 21880544), (14, 15628960), (16, 13675340), (20, 10940272), (23, 9513280), (28, 7814480), (31, 7058240), (32, 6837670), (35, 6251584), (40, 5470136), (46, 4756640), (56, 3907240), (62, 3529120), (64, 3418835), (70, 3125792), (80, 2735068), (92, 2378320), (112, 1953620), (115, 1902656), (124, 1764560), (137, 1597120), (140, 1562896), (155, 1411648), (160, 1367534), (161, 1359040), (184, 1189160), (217, 1008320), (224, 976810), (230, 951328), (248, 882280), (274, 798560), (280, 781448), (310, 705824), (320, 683767), (322, 679520), (368, 594580), (434, 504160), (448, 488405), (460, 475664), (496, 441140), (548, 399280), (560, 390724), (620, 352912), (644, 339760), (685, 319424), (713, 306880), (736, 297290), (805, 271808), (868, 252080), (920, 237832), (959, 228160), (992, 220570), (1085, 201664), (1096, 199640), (1120, 195362), (1240, 176456), (1288, 169880), (1370, 159712), (1426, 153440), (1472, 148645), (1610, 135904), (1736, 126040), (1840, 118916), (1918, 114080), (1984, 110285), (2170, 100832), (2192, 99820), (2240, 97681), (2480, 88228), (2576, 84940), (2740, 79856), (2852, 76720), (3151, 69440), (3220, 67952), (3472, 63020), (3565, 61376), (3680, 59458), (3836, 57040), (4247, 51520), (4340, 50416), (4384, 49910), (4795, 45632), (4960, 44114), (4991, 43840), (5152, 42470), (5480, 39928), (5704, 38360), (6302, 34720), (6440, 33976), (6944, 31510), (7130, 30688), (7360, 29729), (7672, 28520), (8494, 25760), (8680, 25208), (8768, 24955), (9590, 22816), (9920, 22057), (9982, 21920), (10304, 21235), (10960, 19964), (11408, 19180), (12604, 17360), (12880, 16988), (13888, 15755), (14260, 15344)]