31488660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{373}}^1$

素因数の和:462

約数の個数: 144

約数和(自身を含む): 111086976

約数和(自身を除く): 79598316

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 67, 70, 84, 90, 105, 126, 134, 140, 180, 201, 210, 252, 268, 315, 335, 373, 402, 420, 469, 603, 630, 670, 746, 804, 938, 1005, 1119, 1206, 1260, 1340, 1407, 1492, 1865, 1876, 2010, 2238, 2345, 2412, 2611, 2814, 3015, 3357, 3730, 4020, 4221, 4476, 4690, 5222, 5595, 5628, 6030, 6714, 7035, 7460, 7833, 8442, 9380, 10444, 11190, 12060, 13055, 13428, 14070, 15666, 16785, 16884, 21105, 22380, 23499, 24991, 26110, 28140, 31332, 33570, 39165, 42210, 46998, 49982, 52220, 67140, 74973, 78330, 84420, 93996, 99964, 117495, 124955, 149946, 156660, 174937, 224919, 234990, 249910, 299892, 349874, 374865, 449838, 469980, 499820, 524811, 699748, 749730, 874685, 899676, 1049622, 1124595, 1499460, 1574433, 1749370, 2099244, 2249190, 2624055, 3148866, 3498740, 4498380, 5248110, 6297732, 7872165, 10496220, 15744330, 31488660]

約数ペア:

[(1, 31488660), (2, 15744330), (3, 10496220), (4, 7872165), (5, 6297732), (6, 5248110), (7, 4498380), (9, 3498740), (10, 3148866), (12, 2624055), (14, 2249190), (15, 2099244), (18, 1749370), (20, 1574433), (21, 1499460), (28, 1124595), (30, 1049622), (35, 899676), (36, 874685), (42, 749730), (45, 699748), (60, 524811), (63, 499820), (67, 469980), (70, 449838), (84, 374865), (90, 349874), (105, 299892), (126, 249910), (134, 234990), (140, 224919), (180, 174937), (201, 156660), (210, 149946), (252, 124955), (268, 117495), (315, 99964), (335, 93996), (373, 84420), (402, 78330), (420, 74973), (469, 67140), (603, 52220), (630, 49982), (670, 46998), (746, 42210), (804, 39165), (938, 33570), (1005, 31332), (1119, 28140), (1206, 26110), (1260, 24991), (1340, 23499), (1407, 22380), (1492, 21105), (1865, 16884), (1876, 16785), (2010, 15666), (2238, 14070), (2345, 13428), (2412, 13055), (2611, 12060), (2814, 11190), (3015, 10444), (3357, 9380), (3730, 8442), (4020, 7833), (4221, 7460), (4476, 7035), (4690, 6714), (5222, 6030), (5595, 5628)]