642561304

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:115

約数の個数: 288

約数和(自身を含む): 1746662400

約数和(自身を除く): 1104101096

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 23, 28, 31, 38, 44, 46, 49, 56, 62, 76, 77, 88, 92, 98, 121, 124, 133, 152, 154, 161, 184, 196, 209, 217, 242, 248, 253, 266, 308, 322, 341, 392, 418, 434, 437, 484, 506, 532, 539, 589, 616, 644, 682, 713, 836, 847, 868, 874, 931, 968, 1012, 1064, 1078, 1127, 1178, 1288, 1364, 1426, 1463, 1519, 1672, 1694, 1736, 1748, 1771, 1862, 2024, 2156, 2254, 2299, 2356, 2387, 2728, 2783, 2852, 2926, 3038, 3059, 3388, 3496, 3542, 3724, 3751, 4123, 4312, 4508, 4598, 4712, 4774, 4807, 4991, 5566, 5704, 5852, 5929, 6076, 6118, 6479, 6776, 7084, 7448, 7502, 7843, 8246, 9016, 9196, 9548, 9614, 9982, 10241, 11132, 11704, 11858, 12152, 12236, 12397, 12958, 13547, 14168, 15004, 15686, 16093, 16492, 16709, 18392, 19096, 19228, 19481, 19964, 20482, 21413, 22264, 23716, 24472, 24794, 25916, 26257, 27094, 28861, 30008, 31372, 32186, 32984, 33418, 33649, 34937, 38456, 38962, 39928, 40964, 42826, 45353, 47432, 49588, 51832, 52514, 52877, 54188, 54901, 57722, 62744, 64372, 66836, 67298, 69874, 71269, 77924, 81928, 85652, 86273, 90706, 94829, 99176, 105028, 105754, 108376, 109802, 112651, 115444, 128744, 133672, 134596, 136367, 139748, 142538, 149017, 155848, 171304, 172546, 181412, 183799, 189658, 210056, 211508, 219604, 225302, 230888, 235543, 269192, 272734, 279496, 285076, 298034, 317471, 345092, 362824, 367598, 370139, 379316, 384307, 423016, 439208, 450604, 471086, 498883, 545468, 570152, 596068, 603911, 634942, 663803, 690184, 735196, 740278, 758632, 768614, 901208, 942172, 997766, 1043119, 1090936, 1192136, 1207822, 1269884, 1327606, 1470392, 1480556, 1537228, 1639187, 1884344, 1995532, 2086238, 2415644, 2539768, 2590973, 2655212, 2961112, 3074456, 3278374, 3492181, 3991064, 4172476, 4227377, 4831288, 5181946, 5310424, 6556748, 6984362, 7301833, 8344952, 8454754, 10363892, 11474309, 13113496, 13968724, 14603666, 16909508, 20727784, 22948618, 27937448, 29207332, 33819016, 45897236, 58414664, 80320163, 91794472, 160640326, 321280652, 642561304]

約数ペア:

[(1, 642561304), (2, 321280652), (4, 160640326), (7, 91794472), (8, 80320163), (11, 58414664), (14, 45897236), (19, 33819016), (22, 29207332), (23, 27937448), (28, 22948618), (31, 20727784), (38, 16909508), (44, 14603666), (46, 13968724), (49, 13113496), (56, 11474309), (62, 10363892), (76, 8454754), (77, 8344952), (88, 7301833), (92, 6984362), (98, 6556748), (121, 5310424), (124, 5181946), (133, 4831288), (152, 4227377), (154, 4172476), (161, 3991064), (184, 3492181), (196, 3278374), (209, 3074456), (217, 2961112), (242, 2655212), (248, 2590973), (253, 2539768), (266, 2415644), (308, 2086238), (322, 1995532), (341, 1884344), (392, 1639187), (418, 1537228), (434, 1480556), (437, 1470392), (484, 1327606), (506, 1269884), (532, 1207822), (539, 1192136), (589, 1090936), (616, 1043119), (644, 997766), (682, 942172), (713, 901208), (836, 768614), (847, 758632), (868, 740278), (874, 735196), (931, 690184), (968, 663803), (1012, 634942), (1064, 603911), (1078, 596068), (1127, 570152), (1178, 545468), (1288, 498883), (1364, 471086), (1426, 450604), (1463, 439208), (1519, 423016), (1672, 384307), (1694, 379316), (1736, 370139), (1748, 367598), (1771, 362824), (1862, 345092), (2024, 317471), (2156, 298034), (2254, 285076), (2299, 279496), (2356, 272734), (2387, 269192), (2728, 235543), (2783, 230888), (2852, 225302), (2926, 219604), (3038, 211508), (3059, 210056), (3388, 189658), (3496, 183799), (3542, 181412), (3724, 172546), (3751, 171304), (4123, 155848), (4312, 149017), (4508, 142538), (4598, 139748), (4712, 136367), (4774, 134596), (4807, 133672), (4991, 128744), (5566, 115444), (5704, 112651), (5852, 109802), (5929, 108376), (6076, 105754), (6118, 105028), (6479, 99176), (6776, 94829), (7084, 90706), (7448, 86273), (7502, 85652), (7843, 81928), (8246, 77924), (9016, 71269), (9196, 69874), (9548, 67298), (9614, 66836), (9982, 64372), (10241, 62744), (11132, 57722), (11704, 54901), (11858, 54188), (12152, 52877), (12236, 52514), (12397, 51832), (12958, 49588), (13547, 47432), (14168, 45353), (15004, 42826), (15686, 40964), (16093, 39928), (16492, 38962), (16709, 38456), (18392, 34937), (19096, 33649), (19228, 33418), (19481, 32984), (19964, 32186), (20482, 31372), (21413, 30008), (22264, 28861), (23716, 27094), (24472, 26257), (24794, 25916)]